15-m=-4m-18

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Solution for 15-m=-4m-18 equation: 



15-m=-4m-18

We move all terms to the left:

15-m-(-4m-18)=0

We add all the numbers together, and all the variables

-1m-(-4m-18)+15=0

We get rid of parentheses

-1m+4m+18+15=0

We add all the numbers together, and all the variables

3m+33=0

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

3m=-33

m=-33/3

m=-11

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