m+9m-7=-7-3m

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Solution for m+9m-7=-7-3m equation: 



m+9m-7=-7-3m

We move all terms to the left:

m+9m-7-(-7-3m)=0

We add all the numbers together, and all the variables

m+9m-(-3m-7)-7=0

We add all the numbers together, and all the variables

10m-(-3m-7)-7=0

We get rid of parentheses

10m+3m+7-7=0

We add all the numbers together, and all the variables

13m=0

m=0/13

m=0

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