Respuesta:
2x ≤ 7
2x/2 ≤ 7/2
x ≤ 3,5
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3x + 11 < 5
3x < -6
x < -2
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3x + 11 ≤ 6x + 8
-3x ≤ -3
(-3x)(-1) ≥ (-3)(-1)
3x ≥ 3
x ≥ 1
6 - x ≥ 2x + 9
-3x ≥ 3
(-3x)(-1) ≤ (3)(-1)
3x ≤ -3
x ≤ -1
4 - 3x < -(1+8x)
4 - 3x < -1-8x
5x < -5
x < -1
2(7x-3) ≤ 12x + 16
14x-6 ≤ 12x + 16
2x ≤ 22
x ≤ 11
1/3 x + 2 < 1/6 x - 1
1/6 x < -3
x < (-3)(6)/1
x < -18
