-7m=-4-9m

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



-7m=-4-9m

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-7m+9m+4=0

We add all the numbers together, and all the variables

2m+4=0

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

2m=-4

m=-4/2

m=-2

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