-8m-21=-6m+5

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Solution for -8m-21=-6m+5 equation: 



-8m-21=-6m+5

We move all terms to the left:

-8m-21-(-6m+5)=0

We get rid of parentheses

-8m+6m-5-21=0

We add all the numbers together, and all the variables

-2m-26=0

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

-2m=26

m=26/-2

m=-13

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