18r+13=r-15+19r

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Solution for 18r+13=r-15+19r equation: 



18r+13=r-15+19r

We move all terms to the left:

18r+13-(r-15+19r)=0

We add all the numbers together, and all the variables

18r-(20r-15)+13=0

We get rid of parentheses

18r-20r+15+13=0

We add all the numbers together, and all the variables

-2r+28=0

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

-2r=-28

r=-28/-2

r=+14

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