r^2=7

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Solution for r^2=7 equation: 


Simplifying
r2 = 7

Solving
r2 = 7

Solving for variable 'r'.

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

Simplifying
r2 = 7

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

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