8=-3r+1

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Solution for 8=-3r+1 equation: 



8=-3r+1

We move all terms to the left:

8-(-3r+1)=0

We get rid of parentheses

3r-1+8=0

We add all the numbers together, and all the variables

3r+7=0

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

3r=-7

r=-7/3

r=-2+1/3

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