-22=-77+-11r

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Solution for -22=-77+-11r equation: 



-22=-77+-11r

We move all terms to the left:

-22-(-77+-11r)=0

We add all the numbers together, and all the variables

-(-11r)-22=0

We get rid of parentheses

11r-22=0

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

11r=22

r=22/11

r=2

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