3m-15-m=-42

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Solution for 3m-15-m=-42 equation: 



3m-15-m=-42

We move all terms to the left:

3m-15-m-(-42)=0

We add all the numbers together, and all the variables

2m+27=0

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

2m=-27

m=-27/2

m=-13+1/2

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