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Simplifying
C2 + -4 = 5
Reorder the terms:
-4 + C2 = 5
Solving
-4 + C2 = 5
Solving for variable 'C'.
Move all terms containing C to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + C2 = 5 + 4
Combine like terms: -4 + 4 = 0
0 + C2 = 5 + 4
C2 = 5 + 4
Combine like terms: 5 + 4 = 9
C2 = 9
Simplifying
C2 = 9
Take the square root of each side:
C = {-3, 3}
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