r/3=3r-56

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Solution for r/3=3r-56 equation: 



r/3=3r-56

We move all terms to the left:

r/3-(3r-56)=0

We get rid of parentheses

r/3-3r+56=0

We multiply all the terms by the denominator


r-3r*3+56*3=0

We add all the numbers together, and all the variables

r-3r*3+168=0

Wy multiply elements

r-9r+168=0

We add all the numbers together, and all the variables

-8r+168=0

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

-8r=-168

r=-168/-8

r=+21

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