{"id":5496,"date":"2016-02-18t12:00:53","date_gmt":"2016-02-18t20:00:53","guid":{"rendered":"\/\/www.catharsisit.com\/hs\/?p=5496"},"modified":"2016-08-09t14:28:45","modified_gmt":"2016-08-09t21:28:45","slug":"new-sat-math-algebra-basics-combining-like-terms","status":"publish","type":"post","link":"\/\/www.catharsisit.com\/hs\/sat\/new-sat-math-algebra-basics-combining-like-terms\/","title":{"rendered":"new sat math algebra basics: combining like terms"},"content":{"rendered":"
\"algebra\"<\/div>\n

click here for the first part of this series: the basics of heart of algebra<\/a> on the new sat.<\/em>
\nin order to do even rudimentary algebra, you\u2019ll need to understand how to combine like terms and, if the question asks to solve for a variable, how to isolate that variable. below is a quick review to help you with these basics. if you think you understand them, then try the slightly more difficult question that comes at the end.<\/p>\n

 <\/p>\n

combining like terms<\/h2>\n

in order to combine two or more terms, every term must have the same variable and the same power next to that variable. by \u201ccombining\u201d, i mean adding or subtracting terms.<\/p>\n

here is an example of terms that cannot be combined:<\/p>\n

\"x^2
\n\"2y
\n\"m<\/div>\n

here is an example of terms that can be combined (and i\u2019ve gone ahead and done just that!)<\/p>\n

similar variables:<\/p>\n

\"4a
\n\"x<\/div>\n

similar exponents (will need to know for passport to advanced math):<\/p>\n

\"x^2
\n\"x^4<\/div>\n

 <\/p>\n

solving equations<\/h2>\n

#1 \u2013<\/p>\n

isolate the variable<\/h4>\n
\"2x<\/div>\n

in this equation, we want to make sure x is by itself. to do this, we want to make sure all the numbers are on one side of the equal side and the variable, assuming there is one variable, is on the other side of the equal side.<\/p>\n

#2 –<\/p>\n

what you can do to one side of the equation, you have to do to the other side.<\/h4>\n

we want to make sure that the equation always remains the same. therefore, we can\u2019t add or subtract something to one side of the equation without doing the same thing to the other side of the equation. since we want to get rid of the number on the left hand side, or at least \u201cmove\u201d it to the other side, we have to add 5 to both sides, giving us the following:<\/p>\n

\"2x
\n\"2x<\/div>\n

now we divide both sides by 2 so that we can \u201cisolate\u201d the x:<\/p>\n

\"2
\n\"x<\/div>\n

here’s a practice question of the type that you can expect from the heart of algebra section:<\/p>\n

 <\/p>\n

practice question<\/h2>\n

1) which of the following correctly simplifies the expression \"x(x?<\/p>\n

a) \"(x
\nb) \"2x
\nc) \"2x
\nd) \"x^3<\/p>\n

 <\/p>\n

explanation<\/h2>\n

first we want to multiply the expression out, giving us<\/p>\n

\"x(x<\/div>\n

and<\/p>\n

\"x^2<\/p>\n

giving us<\/p>\n

\"x^3
\n\"x^3<\/p>\n

answer b<\/strong>.<\/p>\n

the ability to quickly work through equations like this will help you a great deal on test day.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

in order to do even rudimentary algebra, you\u2019ll need to understand how to combine like terms and, if the question asks to solve for a variable, how to isolate that variable. below is a quick review to help you with these basics.<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[91],"tags":[124,81,24],"ppma_author":[24882],"acf":[],"yoast_head":"\nnew sat math algebra: combining like terms<\/title>\n<meta name=\"description\" content=\"on the sat, you\u2019ll need to do basic algebra including combining like terms. below is a quick review to help you with these basics.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"\/\/www.catharsisit.com\/hs\/sat\/new-sat-math-algebra-basics-combining-like-terms\/\" \/>\n<meta property=\"og:locale\" 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lele","image":{"@type":"imageobject","inlanguage":"en-us","@id":"\/\/www.catharsisit.com\/hs\/#\/schema\/person\/image\/9f063fdc4c0268d1eac74c41e0906a03","url":"https:\/\/secure.gravatar.com\/avatar\/198545d5a4baea0ba0fd0c0fc8a5d466?s=96&d=mm&r=g","contenturl":"https:\/\/secure.gravatar.com\/avatar\/198545d5a4baea0ba0fd0c0fc8a5d466?s=96&d=mm&r=g","caption":"chris lele"},"description":"chris graduated from ucla with a ba in psychology and has 20 years of experience in the test prep industry. he's been quoted as a subject expert in many publications, including us news, gmac, and business because.","sameas":["https:\/\/www.facebook.com\/chrislelemagoosh1\/","ttps:\/\/www.linkedin.com\/in\/chris-lele-095005a0","https:\/\/twitter.com\/chrismagoosh","https:\/\/www.youtube.com\/channel\/ucz4sgyj6l0cgnvnihy8gy6w"],"knowsabout":["gre","gmat","sat","act","mcat (cars)","lsat"],"jobtitle":"principal curriculum manager","worksfor":"magoosh","url":"\/\/www.catharsisit.com\/hs\/author\/chris\/"}]}},"authors":[{"term_id":24882,"user_id":10,"is_guest":0,"slug":"chris","display_name":"chris lele","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/198545d5a4baea0ba0fd0c0fc8a5d466?s=96&d=mm&r=g","user_url":"","last_name":"lele","first_name":"chris","description":"chris lele is the principal curriculum manager (and <a href=\"https:\/\/www.amazon.com\/vocabulary-builder-workbook-activities-must-know\/dp\/193975481x\" rel=\"noopener noreferrer\">vocabulary wizard<\/a>) at magoosh. chris graduated from ucla with a ba in psychology and has 20 years of experience in the test prep industry. he's been quoted as a subject expert in many publications, including<a href=\"https:\/\/www.usnews.com\/education\/best-colleges\/slideshows\/10-test-prep-tips-for-sat-and-act-takers\" rel=\"noopener noreferrer\"> us news<\/a>,<a href=\"https:\/\/www.mba.com\/exams-and-exam-prep\/gmat-exam\/why-take-the-gmat-in-2021-when-many-schools-are-test-optional\" rel=\"noopener noreferrer\"> gmac<\/a>, and<a href=\"https:\/\/www.businessbecause.com\/news\/gmat\/3263\/mba-admissions-gre-challenges-gmat\" rel=\"noopener noreferrer\"> business because<\/a>.\r\n\r\n\r\nin his time at magoosh, chris has taught countless students how to tackle the<a href=\"https:\/\/www.amazon.com\/gre-prep-magoosh\/dp\/1939418917\/\" rel=\"noopener noreferrer\"> gre<\/a>, gmat, sat, act, mcat (cars), and lsat exams with confidence. some of his students have even gone on to get near-perfect scores. you can find chris on <a href=\"https:\/\/www.youtube.com\/channel\/ucz4sgyj6l0cgnvnihy8gy6w\">youtube<\/a>,<a href=\"https:\/\/www.linkedin.com\/in\/chris-lele-095005a0\"> linkedin<\/a>, <a href=\"https:\/\/twitter.com\/chrismagoosh\">twitter<\/a> and <a href=\"https:\/\/www.facebook.com\/chrislelemagoosh1\/\">facebook<\/a>!"}],"_links":{"self":[{"href":"\/\/www.catharsisit.com\/hs\/wp-json\/wp\/v2\/posts\/5496"}],"collection":[{"href":"\/\/www.catharsisit.com\/hs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.catharsisit.com\/hs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.catharsisit.com\/hs\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"\/\/www.catharsisit.com\/hs\/wp-json\/wp\/v2\/comments?post=5496"}],"version-history":[{"count":0,"href":"\/\/www.catharsisit.com\/hs\/wp-json\/wp\/v2\/posts\/5496\/revisions"}],"wp:attachment":[{"href":"\/\/www.catharsisit.com\/hs\/wp-json\/wp\/v2\/media?parent=5496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.catharsisit.com\/hs\/wp-json\/wp\/v2\/categories?post=5496"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.catharsisit.com\/hs\/wp-json\/wp\/v2\/tags?post=5496"},{"taxonomy":"author","embeddable":true,"href":"\/\/www.catharsisit.com\/hs\/wp-json\/wp\/v2\/ppma_author?post=5496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}