5m+12=3m+42

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Solution for 5m+12=3m+42 equation: 



5m+12=3m+42

We move all terms to the left:

5m+12-(3m+42)=0

We get rid of parentheses

5m-3m-42+12=0

We add all the numbers together, and all the variables

2m-30=0

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

2m=30

m=30/2

m=15

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