100.48=3.14*r^2*r+2/3

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Solution for 100.48=3.14*r^2*r+2/3 equation: 



100.48=3.14r^2r+2/3

We move all terms to the left:

100.48-(3.14r^2r+2/3)=0

We get rid of parentheses

-3.14r^2r+100.48-2/3=0

We multiply all the terms by the denominator


-(3.14r^2r)*3-2+(100.48)*3=0

We add all the numbers together, and all the variables

-(3.14r^2r)*3+299.44=0

We multiply parentheses

-9r+299.44=0

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

-9r=-299.44

r=-299.44/-9

r=33+2.44/9

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