-7=m-2+1

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Solution for -7=m-2+1 equation: 



-7=m-2+1

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(m-1)-7=0

We get rid of parentheses

-m+1-7=0

We add all the numbers together, and all the variables

-1m-6=0

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

-m=6

m=6/-1

m=-6

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