-9r^2=-63

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Solution for -9r^2=-63 equation: 


Simplifying
-9r2 = -63

Solving
-9r2 = -63

Solving for variable 'r'.

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

Divide each side by '-9'.
r2 = 7

Simplifying
r2 = 7

Take the square root of each side:
r = {-2.645751311, 2.645751311}

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