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13=2m-6+5
We move all terms to the left:
13-(2m-6+5)=0
We add all the numbers together, and all the variables
-(2m-1)+13=0
We get rid of parentheses
-2m+1+13=0
We add all the numbers together, and all the variables
-2m+14=0
We move all terms containing m to the left, all other terms to the right
-2m=-14
m=-14/-2
m=+7
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