-7+21=m-5

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Solution for -7+21=m-5 equation: 



-7+21=m-5

We move all terms to the left:

-7+21-(m-5)=0

We add all the numbers together, and all the variables

-(m-5)+14=0

We get rid of parentheses

-m+5+14=0

We add all the numbers together, and all the variables

-1m+19=0

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

-m=-19

m=-19/-1

m=+19

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