3x(x+5)>3x2+7
x-4 < 2x+1
3x+14 > 4(2x-9)
p>
3x-7≥4x-4
2x-3x-3<6
0.4(x-1)≥0.3-0.9x
x-4 < 2x+1
2x-6 < x-2
3×10x<500
7(X+ 3)>98
2x-3x+3<6
2x-3x+1<6
2x-3x+3<1
2x- 19<7x+31
3x-2(9-x)>3(7+2x)-(11-6x)
2(3x-1 )-3(4x +5)≤x-4(x-7)
2(x-1)-x>3(x-1)-3x-5
15-(7+ 5x)≤2x+(5-3x)
2X+3>0
-3X+5>0
5X+6< 3X
4 (2X-3)>5 (X+2)
2X+4<0
5X-2≥3 (X+1)
2（X-3）≤4
5m-3>0
2x-3(x-1) > 6
6x-3(x-1) ≤12-2(x+2)
3(1-3x) < 4(x-1)
8-7x+1 > 2(3x- 2)
3x+14 > 4(2x-9)
3-3m<-2m
5x+3x>2
-3y+9<7
(3+8)x>6
5-3/1 x>5
11x -5x>3
-3a-9a>11
-4a+9>6
33x+33<1
5b -9<9b
6x+8>3x+8
3x-7≥4x-42x-19<7x+31．
3x-2(9-x)>3(7+2x)-(11-6x).
2(3x-1)-3(4x+5)≤x-4(x-7)．
2(x-1)-x>3(x-1)-3x-5.
3[y-2(y-7)]≤4y.
15-(7+5x)≤2x+(5-3x).
3*10x<500
3*10(x+1)>500
7(x+3)>98
7x<98
1,2x+9y<81
3x+y>=34
2,9x+4y<35
8x+3y<=30
3.7x+2y<52
7x+4y>=62
4.4x+6y<54
9x+2y>87
5.2x+y<7
2x+5y>=19
6.x+2y<21
3x+5y>56
7.5x+7y<52
5x+2y>22
8.5x+5y<65
7x+7y>203
9.8x+4y<56
x+4y>21
10.5
x+7y<41
5x+8y>44
11.7x+5y<54
3x+4y>38
12 .x+8y<15
4x+y>29
13.3x+6y<24
9x+5y>46
14,9x+2y<62
4x+3y>36
15,9x+4y<46
7x+4y=42
16,9x+7y<135
4x+y>41
17,3x+8y<51
x+6y>27
18,9x+3y<99
4x+7y>95
19,9x+2y<38
3x+6y>18
20,5x+5y<45
7x+9y=69
21,8x+2y<28
7x+8y>62
22.x+6y<14
3x+3y>27
23.7x+4y<67
2x+8y>26
24,5x+4y<52
7x+6y>74