Respuesta:
1) x + 4 < 15
x < 15 - 4
x < 11
x ∈ (-∞, 11)
2) x + 7 ≥ 8
x ≥ 8 - 7
x ≥ 1
x ∈ [1, +∞)
3) m + 9 < 19
m < 19 - 9
m < 10
m ∈ (-∞, 10)
4) x - 52 ≥ 4
x ≥ 4 + 52
x ≥ 56
x ∈ [56, +∞)
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Respuesta:
1) x + 4 < 15
x < 15 - 4
x < 11
x ∈ (-∞, 11)
2) x + 7 ≥ 8
x ≥ 8 - 7
x ≥ 1
x ∈ [1, +∞)
3) m + 9 < 19
m < 19 - 9
m < 10
m ∈ (-∞, 10)
4) x - 52 ≥ 4
x ≥ 4 + 52
x ≥ 56
x ∈ [56, +∞)