m+(m-)=7

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Solution for m+(m-)=7 equation: 



m+(m-)=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

m+(+m)-7=0

We get rid of parentheses

m+m-7=0

We add all the numbers together, and all the variables

2m-7=0

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

2m=7

m=7/2

m=3+1/2

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