15-8r=5r-2+4r

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Solution for 15-8r=5r-2+4r equation: 



15-8r=5r-2+4r

We move all terms to the left:

15-8r-(5r-2+4r)=0

We add all the numbers together, and all the variables

-8r-(9r-2)+15=0

We get rid of parentheses

-8r-9r+2+15=0

We add all the numbers together, and all the variables

-17r+17=0

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

-17r=-17

r=-17/-17

r=1

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