To solve the equation \(-\frac{c}{2} + 43 = 50\), follow these steps:
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Subtract 43 from both sides of the equation:
\[ -\frac{c}{2} = 50 - 43 \]
\[ -\frac{c}{2} = 7 \]
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Multiply both sides by -2 to solve for \(c\):
\[ c = -2 \times 7 \]
\[ c = -14 \]
Thus, the solution is \(c = -14\).