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Simplifying
13x2 = 72
Solving
13x2 = 72
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '13'.
x2 = 5.538461538
Simplifying
x2 = 5.538461538
Take the square root of each side:
x = {-2.353393622, 2.353393622}
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