R^2=18-9r

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Solution for R^2=18-9r equation:


Simplifying
R2 = 18 + -9r

Solving
R2 = 18 + -9r

Solving for variable 'R'.

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

Simplifying
R2 = 18 + -9r

Reorder the terms:
-18 + R2 + 9r = 18 + -9r + -18 + 9r

Reorder the terms:
-18 + R2 + 9r = 18 + -18 + -9r + 9r

Combine like terms: 18 + -18 = 0
-18 + R2 + 9r = 0 + -9r + 9r
-18 + R2 + 9r = -9r + 9r

Combine like terms: -9r + 9r = 0
-18 + R2 + 9r = 0

The solution to this equation could not be determined.

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