m=7-2m

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Solution for m=7-2m equation:



m=7-2m
We move all terms to the left:
m-(7-2m)=0
We add all the numbers together, and all the variables
m-(-2m+7)=0
We get rid of parentheses
m+2m-7=0
We add all the numbers together, and all the variables
3m-7=0
We move all terms containing m to the left, all other terms to the right
3m=7
m=7/3
m=2+1/3

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