-11=8r-5r+1

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Solution for -11=8r-5r+1 equation: 



-11=8r-5r+1

We move all terms to the left:

-11-(8r-5r+1)=0

We add all the numbers together, and all the variables

-(3r+1)-11=0

We get rid of parentheses

-3r-1-11=0

We add all the numbers together, and all the variables

-3r-12=0

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

-3r=12

r=12/-3

r=-4

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