To solve the equation \( 102.5(x - 11.92) = 71.6 \):
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Start by isolating \( x - 11.92 \): \[ x - 11.92 = \frac{71.6}{102.5} \] Calculate \( \frac{71.6}{102.5} \): \[ \frac{71.6}{102.5} \approx 0.6985 \]
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Now, substitute back: \[ x - 11.92 \approx 0.6985 \]
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To solve for \( x \), add \( 11.92 \) to both sides: \[ x \approx 0.6985 + 11.92 \approx 12.6185 \]
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Round the answer to three decimal places: \[ x \approx 12.619 \]
So the answer is: 12.619.