15-r=-17+19r-18r

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Solution for 15-r=-17+19r-18r equation: 



15-r=-17+19r-18r

We move all terms to the left:

15-r-(-17+19r-18r)=0

We add all the numbers together, and all the variables

-r-(r-17)+15=0

We add all the numbers together, and all the variables

-1r-(r-17)+15=0

We get rid of parentheses

-1r-r+17+15=0

We add all the numbers together, and all the variables

-2r+32=0

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

-2r=-32

r=-32/-2

r=+16

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