-13-r=r+8-5

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Solution for -13-r=r+8-5 equation: 



-13-r=r+8-5

We move all terms to the left:

-13-r-(r+8-5)=0

We add all the numbers together, and all the variables

-r-(r+3)-13=0

We add all the numbers together, and all the variables

-1r-(r+3)-13=0

We get rid of parentheses

-1r-r-3-13=0

We add all the numbers together, and all the variables

-2r-16=0

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

-2r=16

r=16/-2

r=-8

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