Short Answer

Machine Calibration Tolerance Intervals

As a calibration technician in training, you are reviewing the safety protocols for a new pressure valve. The allowable pressure variance, xx, must simultaneously satisfy two constraints: 4x−7<9{}4x - 7 < 9 and 5x+8≥3{}5x + 8 \geq 3. Based on the course material, what is the simplified form of each inequality, and what is the final overlapping solution in interval notation?

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Updated 2026-09-19

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