-290=-6m-8(5-7m)

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Solution for -290=-6m-8(5-7m) equation: 



-290=-6m-8(5-7m)

We move all terms to the left:

-290-(-6m-8(5-7m))=0

We add all the numbers together, and all the variables

-(-6m-8(-7m+5))-290=0



We calculate terms in parentheses: -(-6m-8(-7m+5)), so:

-6m-8(-7m+5)

We multiply parentheses

-6m+56m-40

We add all the numbers together, and all the variables

50m-40

Back to the equation:

-(50m-40)



We get rid of parentheses

-50m+40-290=0

We add all the numbers together, and all the variables

-50m-250=0

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

-50m=250

m=250/-50

m=-5

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