12=15-4m

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Solution for 12=15-4m equation: 



12=15-4m

We move all terms to the left:

12-(15-4m)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

4m-15+12=0

We add all the numbers together, and all the variables

4m-3=0

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

4m=3

m=3/4

m=3/4

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