Who can help me find 30 binary linear equations, 30 unary linear inequalities, 40 unary linear inequalities (grade one difficulty)

Who can help me find 30 binary linear equations, 30 unary linear inequalities, 40 unary linear inequalities (grade one difficulty)

1) 66x+17y=3967
25x+y=1200
Answer: x = 48, y = 47
(2) 18x+23y=2303
74x-y=1998
Answer: x = 27, y = 79
(3) 44x+90y=7796
44x+y=3476
Answer: x = 79, y = 48
(4) 76x-66y=4082
30x-y=2940
Answer: x = 98, y = 51
(5) 67x+54y=8546
71x-y=5680
Answer: x = 80, y = 59
(6) 42x-95y=-1410
21x-y=1575
Answer: x = 75, y = 48
(7) 47x-40y=853
34x-y=2006
Answer: x = 59, y = 48
(8) 19x-32y=-1786
75x+y=4950
Answer: x = 66, y = 95
(9) 97x+24y=7202
58x-y=2900
Answer: x = 50, y = 98
(10) 42x+85y=6362
63x-y=1638
Answer: x = 26, y = 62
(11) 85x-92y=-2518
27x-y=486
Answer: x = 18, y = 44
(12) 79x+40y=2419
56x-y=1176
Answer: x = 21, y = 19
(13) 80x-87y=2156
22x-y=880
Answer: x = 40, y = 12
(14) 32x+62y=5134
57x+y=2850
Answer: x = 50, y = 57
(15) 83x-49y=82
59x+y=2183
Answer: x = 37, y = 61
(16) 91x+70y=5845
95x-y=4275
Answer: x = 45, y = 25
(17) 29x+44y=5281
88x-y=3608
Answer: x = 41, y = 93
(18) 25x-95y=-4355
40x-y=2000
Answer: x = 50, y = 59
(19) 54x+68y=3284
78x+y=1404
Answer: x = 18, y = 34
(20) 70x+13y=3520
52x+y=2132
Answer: x = 41, y = 50
(21) 48x-54y=-3186
24x+y=1080
Answer: x = 45, y = 99
(22) 36x+77y=7619
47x-y=799
Answer: x = 17, y = 91
(23) 13x-42y=-2717
31x-y=1333
Answer: x = 43, y = 78
(24) 28x+28y=3332
52x-y=4628
Answer: x = 89, y = 30
(25) 62x-98y=-2564
46x-y=2024
Answer: x = 44, y = 54
(26) 79x-76y=-4388
26x-y=832
Answer: x = 32, y = 91
(27) 63x-40y=-821
42x-y=546
Answer: x = 13, y = 41
(28) 69x-96y=-1209
42x+y=3822
Answer: x = 91, y = 78
(29) 85x+67y=7338
11x+y=308
Answer: x = 28, y = 74
(30) 78x+74y=12928
14x+y=1218
Answer: x = 87, y = 83
1）3x(x+5)＞3x2+7
2）x-4 < 2x+1
3）3x+14 > 4(2x-9)
4）3x-7≥4x-4
5）2x-3x-3＜6
6）0.4(x-1)≥0.3-0.9x
7）x-4 < 2x+1
8）2x-6 < x-2
9）3×10x98
11）2x-3x+3＜6
12）2x-3x+1＜6
13）2x-3x+3＜1
14）2x-19＜7x+31
15）3x-2(9-x)＞3(7+2x)-(11-6x)
16）2(3x-1)-3(4x+5)≤x-4(x-7)
17）2(x-1)-x＞3(x-1)-3x-5
18）15-(7+5x)≤2x+(5-3x)
19）2X+3＞0
20）-3X+5＞0
21）5X+6＜3X
22）4（2X-3）＞5（X+2）
23）2X+4＜0
24）5X-2≥3（X+1）
25）2（X-3）≤4
26）5m-3>0
27）2x-3(x-1) > 6
28）6x-3(x-1) ≤12-2(x+2)
29）3(1-3x) < 4(x-1)
30）8-7x+1 > 2(3x-2)

The difficulty is moderate to solve the system of linear equations with two variables and the problem of linear inequality with one variable
The more x + 1 > 3, the better
{X-Y=1 X-1>0

（1） Fill in the blanks 1. All inequalities in the system of inequalities______ It is called the solution set of inequality system. 14. The solutions of negative integers satisfying inequality - 3x ≤ 12 and 12x-1 < 3x-1 are______ The integer solution of inequality-3 ＜ 1-2x ＜ 5 is______ (2) select [] a.x ＜ 1; b.x ≥ 2; C. empty set; D.1 ＜

Find the difficulty of the one variable linear inequality (Group) and two variable linear equation group exercises (application and calculation are required). Must be difficult!

The table below records the distribution of the number of people who have scored n goals in a given time
Goals 0 1 2 3 4 5
The number of n balls 1 27 () () 2
At the same time, the average person who has scored three or more goals has scored 35 goals; the average person who scored four or less goals has scored 25 goals?
Three goals for nine, four goals for three