Respuesta:
Espero te ayude :)
Explicación paso a paso:
1. | x - 5 | ≤ 3
x - 5 ≤ 3, x - 5 ≥ 0
- ( x - 5 ) ≤ 3, x - 5 < 0
x ≤ 8, x ≥ 5
x ≥ 2, x < 5
x ∈ [ 5, 8 ]
x ∈ [ 2, 5 ]
x ∈ [ 2, 8 ]
2. | 3x - 7 | < 5
3x - 7 < 5, 3x - 7 ≥ 0
- ( 3x - 7 ) < 5, 3x - 7 < 0
x > 4, x ≥ 7/3
x > 2/3, x < 7/3
x ∈ [ 7/3, 4 ]
x ∈ [ 2/3, 7/3 ]
x ∈ [ 2/3, 4 ]
3. | x - 5 | > 3
x - 5 > 3, x - 5 ≥ 0
- ( x - 5 ) > 3, x - 5 < 0
x > 8, x ≥ 5
x < 2, x < 5
x ∈ [ 8, + ∞]
x ∈ [ - ∞, 2 ]
x ∈ [ - ∞, 2 ] ∪ [ 8, + ∞ ]
4. | 3x - 1 1 | > 2x
| 3x - 1 | - 2x > 0
3x - 1 1 2x > 0, 3x - 1 ≥ 0
- ( 3x - 1 ) - 2x > 0, 3x - 1 < 0
x > 1, x ≥ 1/3
x < 1/5, x < 1/3
x ∈ [ 1, + ∞ ]
x ∈ [ - ∞. 1/5 ]
x ∈ [ - ∞, 1/5 ] ∪ [ 1, + ∞]
5. | x - 1 | > 2x
| x - 1 | - 2x > 0
x - 1 - 2x > 0, x - 1 ≥ 0
- ( x - 1 ) - 2x > 0, x - 1 < 0
x < - 1, x ≥ 1
x < 1/3, x < 1
x ∈ Ф
x ∈ [ - ∞, 1/3 ]
x < 1/3
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Verified answer
Respuesta:
Espero te ayude :)
Explicación paso a paso:
1. | x - 5 | ≤ 3
x - 5 ≤ 3, x - 5 ≥ 0
- ( x - 5 ) ≤ 3, x - 5 < 0
x ≤ 8, x ≥ 5
x ≥ 2, x < 5
x ∈ [ 5, 8 ]
x ∈ [ 2, 5 ]
x ∈ [ 2, 8 ]
2. | 3x - 7 | < 5
3x - 7 < 5, 3x - 7 ≥ 0
- ( 3x - 7 ) < 5, 3x - 7 < 0
x > 4, x ≥ 7/3
x > 2/3, x < 7/3
x > 2/3, x < 7/3
x ∈ [ 7/3, 4 ]
x ∈ [ 2/3, 7/3 ]
x ∈ [ 2/3, 7/3 ]
x ∈ [ 2/3, 4 ]
3. | x - 5 | > 3
x - 5 > 3, x - 5 ≥ 0
- ( x - 5 ) > 3, x - 5 < 0
x > 8, x ≥ 5
x < 2, x < 5
x ∈ [ 8, + ∞]
x ∈ [ - ∞, 2 ]
x ∈ [ - ∞, 2 ]
x ∈ [ - ∞, 2 ] ∪ [ 8, + ∞ ]
4. | 3x - 1 1 | > 2x
| 3x - 1 | - 2x > 0
3x - 1 1 2x > 0, 3x - 1 ≥ 0
- ( 3x - 1 ) - 2x > 0, 3x - 1 < 0
x > 1, x ≥ 1/3
x < 1/5, x < 1/3
x ∈ [ 1, + ∞ ]
x ∈ [ - ∞. 1/5 ]
x ∈ [ - ∞, 1/5 ] ∪ [ 1, + ∞]
5. | x - 1 | > 2x
| x - 1 | - 2x > 0
x - 1 - 2x > 0, x - 1 ≥ 0
- ( x - 1 ) - 2x > 0, x - 1 < 0
x < - 1, x ≥ 1
x < 1/3, x < 1
x ∈ Ф
x ∈ [ - ∞, 1/3 ]
x ∈ [ - ∞, 1/3 ]
x < 1/3