3(m+2)-4(m-1)=7

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Solution for 3(m+2)-4(m-1)=7 equation: 



3(m+2)-4(m-1)=7

We move all terms to the left:

3(m+2)-4(m-1)-(7)=0

We multiply parentheses

3m-4m+6+4-7=0

We add all the numbers together, and all the variables

-1m+3=0

We move all terms containing m to the left, all other terms to the right

-m=-3

m=-3/-1

m=+3

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