-23=-77+11r

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Solution for -23=-77+11r equation: 



-23=-77+11r

We move all terms to the left:

-23-(-77+11r)=0

We add all the numbers together, and all the variables

-(11r-77)-23=0

We get rid of parentheses

-11r+77-23=0

We add all the numbers together, and all the variables

-11r+54=0

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

-11r=-54

r=-54/-11

r=4+10/11

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