15=3m-9m

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Solution for 15=3m-9m equation:



15=3m-9m
We move all terms to the left:
15-(3m-9m)=0
We add all the numbers together, and all the variables
-(-6m)+15=0
We get rid of parentheses
6m+15=0
We move all terms containing m to the left, all other terms to the right
6m=-15
m=-15/6
m=-2+1/2

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