-121=7(7-5m)+m

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Solution for -121=7(7-5m)+m equation: 



-121=7(7-5m)+m

We move all terms to the left:

-121-(7(7-5m)+m)=0

We add all the numbers together, and all the variables

-(7(-5m+7)+m)-121=0



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

7(-5m+7)+m

We add all the numbers together, and all the variables

m+7(-5m+7)

We multiply parentheses

m-35m+49

We add all the numbers together, and all the variables

-34m+49

Back to the equation:

-(-34m+49)



We get rid of parentheses

34m-49-121=0

We add all the numbers together, and all the variables

34m-170=0

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

34m=170

m=170/34

m=5

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