1) x - 10 < 50
2) 2x - 9 ≥ 21
3) 3x +5 ≤ 29
son distintos
2) 2x - 9 ≥ 21
3) 3x +5 ≤ 29
son distintos
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1) x - 10 < 50 =
x < 50 + 10 =
x < 69,,
2) 2x - 9 ≥ 21 =
2x ≥ 21 + 9 =
2x ≥ 30 =
x ≥ 15,,
3) 3x +5 ≤ 29 =
3x ≤ 29-5 =
3x ≤ 24 =
x ≤ 8,,