-18.5=3.5(4.5r+8.5)

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Solution for -18.5=3.5(4.5r+8.5) equation: 



-18.5=3.5(4.5r+8.5)

We move all terms to the left:

-18.5-(3.5(4.5r+8.5))=0



We calculate terms in parentheses: -(3.5(4.5r+8.5)), so:

3.5(4.5r+8.5)

We multiply parentheses

14r+29.75

Back to the equation:

-(14r+29.75)



We get rid of parentheses

-14r-29.75-18.5=0

We add all the numbers together, and all the variables

-14r-48.25=0

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

-14r=48.25

r=48.25/-14

r=-3+2.7777777777778/6.2222222222222

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