3(m+7)=12-5m

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Solution for 3(m+7)=12-5m equation: 



3(m+7)=12-5m

We move all terms to the left:

3(m+7)-(12-5m)=0

We add all the numbers together, and all the variables

3(m+7)-(-5m+12)=0

We multiply parentheses

3m-(-5m+12)+21=0

We get rid of parentheses

3m+5m-12+21=0

We add all the numbers together, and all the variables

8m+9=0

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

8m=-9

m=-9/8

m=-1+1/8

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