86=3(r+15)+17

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Solution for 86=3(r+15)+17 equation: 



86=3(r+15)+17

We move all terms to the left:

86-(3(r+15)+17)=0



We calculate terms in parentheses: -(3(r+15)+17), so:

3(r+15)+17

We multiply parentheses

3r+45+17

We add all the numbers together, and all the variables

3r+62

Back to the equation:

-(3r+62)



We get rid of parentheses

-3r-62+86=0

We add all the numbers together, and all the variables

-3r+24=0

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

-3r=-24

r=-24/-3

r=+8

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