18=4(r-3)+2

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Solution for 18=4(r-3)+2 equation: 



18=4(r-3)+2

We move all terms to the left:

18-(4(r-3)+2)=0



We calculate terms in parentheses: -(4(r-3)+2), so:

4(r-3)+2

We multiply parentheses

4r-12+2

We add all the numbers together, and all the variables

4r-10

Back to the equation:

-(4r-10)



We get rid of parentheses

-4r+10+18=0

We add all the numbers together, and all the variables

-4r+28=0

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

-4r=-28

r=-28/-4

r=+7

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