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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