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MathematicsMathematics
2 June, 07:45

Simplify.

8m+4n+7m-2n

What is the answer?

15m + 2n

m + 2n

17mn

15m + 6n

+3
Answers (1)
  1. 2 June, 11:20
    0
    15m + 2n, first you have to pair the matching variables, 8m and 7m along with the sign in front of them. so 8m (+7m), you would then add those then do the same with the other, + 4n (postive) and - 2n, so subtract 2 from 4 and get 2. put them together and it's 15m+2
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