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Simplifying
8r2 = 12r2
Solving
8r2 = 12r2
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-12r2' to each side of the equation.
8r2 + -12r2 = 12r2 + -12r2
Combine like terms: 8r2 + -12r2 = -4r2
-4r2 = 12r2 + -12r2
Combine like terms: 12r2 + -12r2 = 0
-4r2 = 0
Divide each side by '-4'.
r2 = 0
Simplifying
r2 = 0
Take the square root of each side:
r = {0}
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