9х - 4(x - 7) ≥ -3
9x - 4x + 28 ≥ -3
5x ≥ -3 - 28
5x ≥ -31
x ≥ -6,2
Ответ: [-6,2; +∞)
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9х - 4(x - 7) ≥ -3
9x - 4x + 28 ≥ -3
5x ≥ -3 - 28
5x ≥ -31
x ≥ -6,2
Ответ: [-6,2; +∞)