-21+4m=-4m=5

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Solution for -21+4m=-4m=5 equation: 



-21+4m=-4m=5

We move all terms to the left:

-21+4m-(-4m)=0

We get rid of parentheses

4m+4m-21=0

We add all the numbers together, and all the variables

8m-21=0

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

8m=21

m=21/8

m=2+5/8

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