15r=8+3r

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Solution for 15r=8+3r equation: 



15r=8+3r

We move all terms to the left:

15r-(8+3r)=0

We add all the numbers together, and all the variables

15r-(3r+8)=0

We get rid of parentheses

15r-3r-8=0

We add all the numbers together, and all the variables

12r-8=0

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

12r=8

r=8/12

r=2/3

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