m=7+-9

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Solution for m=7+-9 equation:



m=7+-9
We move all terms to the left:
m-(7+-9)=0
We add all the numbers together, and all the variables
m-(-2)=0
We add all the numbers together, and all the variables
m+2=0
We move all terms containing m to the left, all other terms to the right
m=-2

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