-7(3+2r)-2r=-133

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Solution for -7(3+2r)-2r=-133 equation: 



-7(3+2r)-2r=-133

We move all terms to the left:

-7(3+2r)-2r-(-133)=0

We add all the numbers together, and all the variables

-7(2r+3)-2r-(-133)=0

We add all the numbers together, and all the variables

-2r-7(2r+3)+133=0

We multiply parentheses

-2r-14r-21+133=0

We add all the numbers together, and all the variables

-16r+112=0

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

-16r=-112

r=-112/-16

r=+7

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