7m+9=-2(3-m)

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Solution for 7m+9=-2(3-m) equation: 



7m+9=-2(3-m)

We move all terms to the left:

7m+9-(-2(3-m))=0

We add all the numbers together, and all the variables

7m-(-2(-1m+3))+9=0



We calculate terms in parentheses: -(-2(-1m+3)), so:

-2(-1m+3)

We multiply parentheses

2m-6

Back to the equation:

-(2m-6)



We get rid of parentheses

7m-2m+6+9=0

We add all the numbers together, and all the variables

5m+15=0

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

5m=-15

m=-15/5

m=-3

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