-7m+4=-9m+12

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Solution for -7m+4=-9m+12 equation: 



-7m+4=-9m+12

We move all terms to the left:

-7m+4-(-9m+12)=0

We get rid of parentheses

-7m+9m-12+4=0

We add all the numbers together, and all the variables

2m-8=0

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

2m=8

m=8/2

m=4

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