9m-8=4m+7

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Solution for 9m-8=4m+7 equation: 



9m-8=4m+7

We move all terms to the left:

9m-8-(4m+7)=0

We get rid of parentheses

9m-4m-7-8=0

We add all the numbers together, and all the variables

5m-15=0

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

5m=15

m=15/5

m=3

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