-2=7-3m

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Solution for -2=7-3m equation: 



-2=7-3m

We move all terms to the left:

-2-(7-3m)=0

We add all the numbers together, and all the variables

-(-3m+7)-2=0

We get rid of parentheses

3m-7-2=0

We add all the numbers together, and all the variables

3m-9=0

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

3m=9

m=9/3

m=3

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