-9m+7=3m+19

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Solution for -9m+7=3m+19 equation: 



-9m+7=3m+19

We move all terms to the left:

-9m+7-(3m+19)=0

We get rid of parentheses

-9m-3m-19+7=0

We add all the numbers together, and all the variables

-12m-12=0

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

-12m=12

m=12/-12

m=-1

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