7(x - 12) < 2x - 4
7x - 84 < 2x - 4
7x - 2x < - 4 + 84
5x < 80
x < 16
x = (-∞; 15)
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7(x - 12) < 2x - 4
7x - 84 < 2x - 4
7x - 2x < - 4 + 84
5x < 80
x < 16
x = (-∞; 15)