-21+19=m-8

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Solution for -21+19=m-8 equation: 



-21+19=m-8

We move all terms to the left:

-21+19-(m-8)=0

We add all the numbers together, and all the variables

-(m-8)-2=0

We get rid of parentheses

-m+8-2=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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