-17r-(-6r)+18r+(-r)=-18

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Solution for -17r-(-6r)+18r+(-r)=-18 equation: 



-17r-(-6r)+18r+(-r)=-18

We move all terms to the left:

-17r-(-6r)+18r+(-r)-(-18)=0

We add all the numbers together, and all the variables

-17r-(-6r)+18r+(-1r)-(-18)=0

We add all the numbers together, and all the variables

r-(-6r)+(-1r)+18=0

We get rid of parentheses

r+6r-1r+18=0

We add all the numbers together, and all the variables

6r+18=0

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

6r=-18

r=-18/6

r=-3

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