7,234.56=3.14*r^2*16

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Solution for 7,234.56=3.14*r^2*16 equation: 



7.234.56=3.14r^2*16

We move all terms to the left:

7.234.56-(3.14r^2*16)=0

We add all the numbers together, and all the variables

-(3.14r^2*16)+4.05104=0

We get rid of parentheses

-3.14r^2*16+4.05104=0

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

-3.14r^2*16=-4.05104

r=-4.05104/1

r=-4.05104

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