-r-17=-3r+13

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Solution for -r-17=-3r+13 equation: 



-r-17=-3r+13

We move all terms to the left:

-r-17-(-3r+13)=0

We add all the numbers together, and all the variables

-1r-(-3r+13)-17=0

We get rid of parentheses

-1r+3r-13-17=0

We add all the numbers together, and all the variables

2r-30=0

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

2r=30

r=30/2

r=15

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