medium · GMAT Quant
An energy grid regulator mandates that the load deviation parameter x satisfy -2 < dfrac5 - 2x4 ≤ 3.
Which of the following inequalities defines the exact set of all valid values for x?
- -dfrac72 ≤ x < dfrac132
- -dfrac132 < x ≤ dfrac72
- -dfrac72 < x ≤ dfrac132
- -dfrac172 ≤ x < dfrac32
- x ≤ -dfrac72 or x > dfrac132
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