9-1=m(-2-2)

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Solution for 9-1=m(-2-2) equation: 



9-1=m(-2-2)

We move all terms to the left:

9-1-(m(-2-2))=0

We add all the numbers together, and all the variables

-(m(-4))+9-1=0

We add all the numbers together, and all the variables

-(m(-4))+8=0



We calculate terms in parentheses: -(m(-4)), so:

m(-4)

We multiply parentheses

-4m

Back to the equation:

-(-4m)



We get rid of parentheses

4m+8=0

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

4m=-8

m=-8/4

m=-2

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