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20 questions
2
9
8
5
х - 8 = 12
х = ?
20
8
4
12
х + 6 = 11
х = ?
17
11
6
5
4 + x = 13
х = ?
17
9
13
4
2x=10
x= ?
5
20
10
8
4x=36
x= ?
36
32
40
9
7x=56
x= ?
8
63
56
49
5x=35
x= ?
30
40
7
35
4x=6
x= ?
6
2
24
10
8x=9
x= ?
9
81
17
72
3x=6
x= ?
6
18
3
16
7x=6
x= ?
42
1
6
13
2x−5=5
x= ?
10
7
3
5
40−4x=16
x= ?
46
4
6
16
3x+7=37
x= ?
2x+5=9
x= ?
7x−7=14
x= ?
9−7x=−12
x= ?
9+6x=33
x= ?
3(x+7)=27
x= ?
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