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

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



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

We move all terms to the left:

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

We multiply parentheses

-12m-(m+1)-21+1=0

We get rid of parentheses

-12m-m-1-21+1=0

We add all the numbers together, and all the variables

-13m-21=0

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

-13m=21

m=21/-13

m=-1+8/13

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