3=m-7

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Solution for 3=m-7 equation: 



3=m-7

We move all terms to the left:

3-(m-7)=0

We get rid of parentheses

-m+7+3=0

We add all the numbers together, and all the variables

-1m+10=0

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

-m=-10

m=-10/-1

m=+10

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