12m-8=-42m+100

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Solution for 12m-8=-42m+100 equation: 



12m-8=-42m+100

We move all terms to the left:

12m-8-(-42m+100)=0

We get rid of parentheses

12m+42m-100-8=0

We add all the numbers together, and all the variables

54m-108=0

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

54m=108

m=108/54

m=2

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