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Simplifying
16r2 = 8
Solving
16r2 = 8
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Divide each side by '16'.
r2 = 0.5
Simplifying
r2 = 0.5
Take the square root of each side:
r = {-0.707106781, 0.707106781}
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