3(r+5)=8r

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Solution for 3(r+5)=8r equation: 



3(r+5)=8r

We move all terms to the left:

3(r+5)-(8r)=0

We add all the numbers together, and all the variables

-8r+3(r+5)=0

We multiply parentheses

-8r+3r+15=0

We add all the numbers together, and all the variables

-5r+15=0

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

-5r=-15

r=-15/-5

r=+3

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