3+2m=-15

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Solution for 3+2m=-15 equation: 



3+2m=-15

We move all terms to the left:

3+2m-(-15)=0

We add all the numbers together, and all the variables

2m+18=0

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

2m=-18

m=-18/2

m=-9

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