-8r+3=2r-77

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Solution for -8r+3=2r-77 equation: 



-8r+3=2r-77

We move all terms to the left:

-8r+3-(2r-77)=0

We get rid of parentheses

-8r-2r+77+3=0

We add all the numbers together, and all the variables

-10r+80=0

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

-10r=-80

r=-80/-10

r=+8

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