一元一次不等式计算题

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一元一次不等式计算题(一)(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

15.3.02.03.005.009.004.0xx≥25x16.-3x-5>5x-3

17. 7(4-x)-2(4-3x)<-4x 18.4138)1(32yy

19.1213xx20. 3[x-2(x-2)]>x-3(x-3)

21.681312xxxx 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