-13-2r=3-4r

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Solution for -13-2r=3-4r equation: 



-13-2r=3-4r

We move all terms to the left:

-13-2r-(3-4r)=0

We add all the numbers together, and all the variables

-2r-(-4r+3)-13=0

We get rid of parentheses

-2r+4r-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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