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Algebra
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OpenStudy (anonymous):
19a -7 - 3a + 12a
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OpenStudy (solomonzelman):
add like terms. can you tell me which terms are all like, except?
OpenStudy (anonymous):
help
OpenStudy (solomonzelman):
help doesn't mean do my work.
OpenStudy (nirmalnema):
19a -7 - 3a + 12a=0 terms with only numericals are similar type of terms so keep them one side and transfer the others.. 19a-3a+12a = 7 - sign becomes +ve on changing side add all the like terms.. you will get 28a = 7 a= 7/28 = 1/4
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