3m+15=4m+12

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Solution for 3m+15=4m+12 equation: 



3m+15=4m+12

We move all terms to the left:

3m+15-(4m+12)=0

We get rid of parentheses

3m-4m-12+15=0

We add all the numbers together, and all the variables

-1m+3=0

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

-m=-3

m=-3/-1

m=+3

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