-7-3(1+7m)=158

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Solution for -7-3(1+7m)=158 equation: 



-7-3(1+7m)=158

We move all terms to the left:

-7-3(1+7m)-(158)=0

We add all the numbers together, and all the variables

-3(7m+1)-7-158=0

We add all the numbers together, and all the variables

-3(7m+1)-165=0

We multiply parentheses

-21m-3-165=0

We add all the numbers together, and all the variables

-21m-168=0

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

-21m=168

m=168/-21

m=-8

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