-122=7(1+3m)-3

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Solution for -122=7(1+3m)-3 equation: 



-122=7(1+3m)-3

We move all terms to the left:

-122-(7(1+3m)-3)=0

We add all the numbers together, and all the variables

-(7(3m+1)-3)-122=0



We calculate terms in parentheses: -(7(3m+1)-3), so:

7(3m+1)-3

We multiply parentheses

21m+7-3

We add all the numbers together, and all the variables

21m+4

Back to the equation:

-(21m+4)



We get rid of parentheses

-21m-4-122=0

We add all the numbers together, and all the variables

-21m-126=0

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

-21m=126

m=126/-21

m=-6

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