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Simplifying
13a2 = 12
Solving
13a2 = 12
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Divide each side by '13'.
a2 = 0.9230769231
Simplifying
a2 = 0.9230769231
Take the square root of each side:
a = {-0.960768923, 0.960768923}
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