一元一次不等式计算题(二)
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解不等式
1.2x+19<7x+31 2.-2x-1>0 3.x+8≥4x+1
4.3(2x+5)<2(4x+6) 5.10-4(x-3)≤2(x -2) 6.3x-2(9-x)>3(7+2x)-(11-6x)
7.2(3x-1)-3(4x+5)≤x -4(x-7) 8.2(x-1)-x >3(x-1)-3x+5 9.3[y-2(y-7)]≤4y
10.15-(7+5x)≤2x+(5-3x) 11.2(x -4)-3<1-3(x -2) 12.2+
8)1(3+y ≤2-43-y
13.0.5x +3(1+0.2x )>0.4x -0.6 14.2[
34x -(32x -21)]≤43x
15.
3.02.03.005.009.00
4.0x x +-+≥2
5-x 16.-3x-5>5x-3
17. 7(4-x)-2(4-3x)<-4x 18.4138)1(32-+<++y y
19.
1213<-+x x 20. 3[x-2(x-2)]>x-3(x-3)
21.681312++<+++
x x x x 22.34x -4(1+x )<32(61x -2)
23. 5x -12≤2(4x +3)24.5-
3x ≥321-412+x
25.313+y +1<537-y +15
)2(2-y