16.5=3.14(r+2)

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Solution for 16.5=3.14(r+2) equation: 



16.5=3.14(r+2)

We move all terms to the left:

16.5-(3.14(r+2))=0



We calculate terms in parentheses: -(3.14(r+2)), so:

3.14(r+2)

We multiply parentheses

3.14r+6.28

Back to the equation:

-(3.14r+6.28)



We get rid of parentheses

-3.14r-6.28+16.5=0

We add all the numbers together, and all the variables

-3.14r+10.22=0

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

-3.14r=-10.22

r=-10.22/-3.14

r=3+0.8/3.14

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