1-4r-r=-11-8r

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Solution for 1-4r-r=-11-8r equation: 



1-4r-r=-11-8r

We move all terms to the left:

1-4r-r-(-11-8r)=0

We add all the numbers together, and all the variables

-4r-r-(-8r-11)+1=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-5r+8r+11+1=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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