3m+7(m-1)=13

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Solution for 3m+7(m-1)=13 equation: 



3m+7(m-1)=13

We move all terms to the left:

3m+7(m-1)-(13)=0

We multiply parentheses

3m+7m-7-13=0

We add all the numbers together, and all the variables

10m-20=0

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

10m=20

m=20/10

m=2

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