-119=7(3+r)

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Solution for -119=7(3+r) equation: 



-119=7(3+r)

We move all terms to the left:

-119-(7(3+r))=0

We add all the numbers together, and all the variables

-(7(r+3))-119=0



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

7(r+3)

We multiply parentheses

7r+21

Back to the equation:

-(7r+21)



We get rid of parentheses

-7r-21-119=0

We add all the numbers together, and all the variables

-7r-140=0

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

-7r=140

r=140/-7

r=-20

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