7m+12=4m+78

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Solution for 7m+12=4m+78 equation: 



7m+12=4m+78

We move all terms to the left:

7m+12-(4m+78)=0

We get rid of parentheses

7m-4m-78+12=0

We add all the numbers together, and all the variables

3m-66=0

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

3m=66

m=66/3

m=22

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