9m+9=8+7m

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



9m+9=8+7m

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

9m-7m-8+9=0

We add all the numbers together, and all the variables

2m+1=0

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

2m=-1

m=-1/2

m=-1/2

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