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-4m-7+13m=2+2m-5
We move all terms to the left:
-4m-7+13m-(2+2m-5)=0
We add all the numbers together, and all the variables
-4m+13m-(2m-3)-7=0
We add all the numbers together, and all the variables
9m-(2m-3)-7=0
We get rid of parentheses
9m-2m+3-7=0
We add all the numbers together, and all the variables
7m-4=0
We move all terms containing m to the left, all other terms to the right
7m=4
m=4/7
m=4/7
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