(-2,1);m=7

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Solution for (-2,1);m=7 equation: 



(-2.1)m=7

We move all terms to the left:

(-2.1)m-(7)=0

We multiply parentheses

-2.1m-7=0

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

-2.1m=7

m=7/-2.1

m=-3+0.7/2.1

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