r-16=3r-8

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Solution for r-16=3r-8 equation: 



r-16=3r-8

We move all terms to the left:

r-16-(3r-8)=0

We get rid of parentheses

r-3r+8-16=0

We add all the numbers together, and all the variables

-2r-8=0

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

-2r=8

r=8/-2

r=-4

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