3*r^2=27

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Solution for 3*r^2=27 equation: 


Simplifying
3r2 = 27

Solving
3r2 = 27

Solving for variable 'r'.

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

Divide each side by '3'.
r2 = 9

Simplifying
r2 = 9

Take the square root of each side:
r = {-3, 3}

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