215=55m+(-170)

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Solution for 215=55m+(-170) equation: 



215=55m+(-170)

We move all terms to the left:

215-(55m+(-170))=0



We calculate terms in parentheses: -(55m+(-170)), so:

55m+(-170)

We add all the numbers together, and all the variables

55m-170

Back to the equation:

-(55m-170)



We get rid of parentheses

-55m+170+215=0

We add all the numbers together, and all the variables

-55m+385=0

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

-55m=-385

m=-385/-55

m=+7

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