yiwenchanchen yiwenchanchen

04-12-2016
Mathematics

Answered

simplify this expression 2a-1+8b-12b+7a-12

Verified Answer :

Anonymous Anonymous

04-12-2016

2a - 1 - 8b - 12b + 7a - 12

Combine like terms

2a + 7a = 9a
-8b - 12b = -20b
-1 - 12 = -13

9a - 20b - 13

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