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2x-4x \< -11-6
-2x \<-17 /: (-2)
x\< 8,5
3x+18<5x+9
3x-5x <9-18
-2x<-9 / :(-2)
x<4,5
2x-5 >/ -x+10
2x+x >/ 10+15
3x >25 /:3
x > 8 1/3
x < -x
x+x < 0
2x < 0 /:2
x<0
2x+5 >/ 10x+10
2x-10x >/ 10-5
-8x >/ 5 /: (-8)
x >/ -5/8
5(2x+3) \< 2(x+6) +15
10x+15 \< 2x+12 +15
10x+15 \< 2x +27
10x-2x \< 27-15
8x \< 12 /:8
x \< 1,5
2x ≥ 17
x ≥ ¹⁷/₂
<¹⁷/₂, ∞)
3x+18 < 5x+9
2x > 9
x > ⁹/₂
( ⁹/₂, ∞)
2x-5 >/ -x + 10
3x ≥ 15
x ≥3
<3, ∞)
x < -x
2x < 0
x < 0
(-∞,0)
2x+5 >/ 10x +10
8x ≤ -5
x ≤ -⁵/₈
(-∞, -⁵/₈>
5(2x+3) \< 2 (x+6)+15
10x + 15 ≤ 2x + 12 + 15
10x ≤ 2x + 12
8x ≤ 12
x ≤ ³/₂
(-∞, ³/₂>