-109=7(2r-2)+3

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Solution for -109=7(2r-2)+3 equation: 



-109=7(2r-2)+3

We move all terms to the left:

-109-(7(2r-2)+3)=0



We calculate terms in parentheses: -(7(2r-2)+3), so:

7(2r-2)+3

We multiply parentheses

14r-14+3

We add all the numbers together, and all the variables

14r-11

Back to the equation:

-(14r-11)



We get rid of parentheses

-14r+11-109=0

We add all the numbers together, and all the variables

-14r-98=0

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

-14r=98

r=98/-14

r=-7

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