-147=-7m-7

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Solution for -147=-7m-7 equation: 



-147=-7m-7

We move all terms to the left:

-147-(-7m-7)=0

We get rid of parentheses

7m+7-147=0

We add all the numbers together, and all the variables

7m-140=0

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

7m=140

m=140/7

m=20

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