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x ≤ ½ * ½
x ≤ ¼
b) -5x ≥ 15 |: -5
x ≤ -3
c) 1/2x < 5 |: ½
x < 5 *2/1
x < 10
d) 4x-1 ≥ 11
4x ≥ 11 + 1
4x≥12|:4
x≥3
e) 3x ≤ 12-3x
6x ≤ 12 |:6
x ≤ 2
f) 1- 2x > 4
-2x > 4-1
-2x > 3 |:-2
x< 1½
g) 1+ 2x <4x+5
2x - 4x < 5 - 2
-2x < 3 |: -2
x> 1½
h) 6 - x > 2x
6 > 3x |:3
2 > x
x≤1/4
b) -5x≥ 15 || :(-5)
x≤ -3
c)1/2x< 5 || :1/2
x<10
d) 4x-1≥ 11 ||+1
4x≥ 12 ||:4
x≥3
e)3x ≤ 12-3x || +3x
6x ≤ 12 || :6
x ≤ 2
f)1-2x>4 || -1
-2x>3 || : (-2)
x< -1,5
g) 1+2x<4x+5 || -1
2x<4x+4 ||-4x
-2x<4 || (-2)
x>-2
h) 6-x>2x ||+x
6>3x || :3
2>x
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