4-(-7m)=25

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Solution for 4-(-7m)=25 equation: 



4-(-7m)=25

We move all terms to the left:

4-(-7m)-(25)=0

We add all the numbers together, and all the variables

-(-7m)-21=0

We get rid of parentheses

7m-21=0

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

7m=21

m=21/7

m=3

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