8=3(r-6)-1

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Solution for 8=3(r-6)-1 equation: 



8=3(r-6)-1

We move all terms to the left:

8-(3(r-6)-1)=0



We calculate terms in parentheses: -(3(r-6)-1), so:

3(r-6)-1

We multiply parentheses

3r-18-1

We add all the numbers together, and all the variables

3r-19

Back to the equation:

-(3r-19)



We get rid of parentheses

-3r+19+8=0

We add all the numbers together, and all the variables

-3r+27=0

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

-3r=-27

r=-27/-3

r=+9

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