3=3(r-85)

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Solution for 3=3(r-85) equation: 



3=3(r-85)

We move all terms to the left:

3-(3(r-85))=0



We calculate terms in parentheses: -(3(r-85)), so:

3(r-85)

We multiply parentheses

3r-255

Back to the equation:

-(3r-255)



We get rid of parentheses

-3r+255+3=0

We add all the numbers together, and all the variables

-3r+258=0

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

-3r=-258

r=-258/-3

r=+86

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