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Simplifying
9c2 = 49
Solving
9c2 = 49
Solving for variable 'c'.
Move all terms containing c to the left, all other terms to the right.
Divide each side by '9'.
c2 = 5.444444444
Simplifying
c2 = 5.444444444
Take the square root of each side:
c = {-2.333333333, 2.333333333}
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