-3r+1=15r-8

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Solution for -3r+1=15r-8 equation: 



-3r+1=15r-8

We move all terms to the left:

-3r+1-(15r-8)=0

We get rid of parentheses

-3r-15r+8+1=0

We add all the numbers together, and all the variables

-18r+9=0

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

-18r=-9

r=-9/-18

r=1/2

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