-12-m=13m-18m+20

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Solution for -12-m=13m-18m+20 equation: 



-12-m=13m-18m+20

We move all terms to the left:

-12-m-(13m-18m+20)=0

We add all the numbers together, and all the variables

-m-(-5m+20)-12=0

We add all the numbers together, and all the variables

-1m-(-5m+20)-12=0

We get rid of parentheses

-1m+5m-20-12=0

We add all the numbers together, and all the variables

4m-32=0

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

4m=32

m=32/4

m=8

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