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Mathematics 7 Online
OpenStudy (bookworm14):

I need someone to check my answer to this question: Make this a simpler expression: (8+7a)+4 A. 12+11a B.19a C.8+11a D. 12 +7a I think it is 12+7a

OpenStudy (anonymous):

B. is the right answer.

OpenStudy (bookworm14):

How? I dont think you can combine 12 and 7a because they have different terms

OpenStudy (cj49):

(8+7a)+4 8+7a+4 12+7a

OpenStudy (bookworm14):

so am i right or wrong?

OpenStudy (cj49):

u are right..

OpenStudy (bookworm14):

Okay thanks @cj49

OpenStudy (cj49):

np

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