9=(pi)r^2

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Solution for 9=(pi)r^2 equation:


Simplifying
9 = (pi) * r2

Multiply ip * r2
9 = ipr2

Solving
9 = ipr2

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '-1ipr2' to each side of the equation.
9 + -1ipr2 = ipr2 + -1ipr2

Combine like terms: ipr2 + -1ipr2 = 0
9 + -1ipr2 = 0

Add '-9' to each side of the equation.
9 + -9 + -1ipr2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1ipr2 = 0 + -9
-1ipr2 = 0 + -9

Combine like terms: 0 + -9 = -9
-1ipr2 = -9

Divide each side by '-1pr2'.
i = 9p-1r-2

Simplifying
i = 9p-1r-2

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