Inactive Tutor answered • 10/06/12
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The answer should be 7ab + 7.
You can only combine 8ab and -1ab to get 7ab. The other term, 7, has nothing else to combine with, so it stays as is.
Alex A.
asked • 10/06/12combine like terms 8ab-1ab+7 i got 7ab+6
combine like terms 8ab-1ab+7 i got 7ab+6
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