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©2026 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[0E4-00]
(1)
−
x
＋
4
=
5
x
＋
6
x
＋
124
(2)
4
x
＋
5
＋
3
x
=
−10
x
＋
39
(3)
−8
x
−
2
=
6
x
＋
8
x
＋
42
(4)
−2
x
＋
10
=
8
x
＋
x
＋
65
(5)
−5
＋
3
x
=
9
x
＋
8
x
−
75
(6)
9
x
＋
5
−
3
x
=
x
−
40
(7)
−8
−
10
x
=
8
x
＋
7
x
＋
117
(8)
−6
x
＋
4
=
−9
x
−
5
x
＋
20
(9)
−9
−
8
x
−
6
x
=
4
x
＋
27
(10)
−9
−
7
x
＋
4
x
=
−8
x
＋
11
(11)
−7
＋
10
x
=
−8
x
＋
8
x
＋
13
(12)
−6
x
＋
x
−
6
=
−4
x
(13)
−2
−
2
x
−
x
=
x
＋
18
(14)
2
x
−
4
=
10
x
＋
6
x
＋
94
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−
x
＋
4
=
5
x
＋
6
x
＋
124
−
x
−
5
x
−
6
x
=
124
−
4
x
=
120
÷
(
−12
)
x
=
−10
(2)
4
x
＋
5
＋
3
x
=
−10
x
＋
39
4
x
＋
3
x
＋
10
x
=
39
−
5
x
=
34
÷
17
x
=
2
(3)
−8
x
−
2
=
6
x
＋
8
x
＋
42
−8
x
−
6
x
−
8
x
=
42
＋
2
x
=
44
÷
(
−22
)
x
=
−2
(4)
−2
x
＋
10
=
8
x
＋
x
＋
65
−2
x
−
8
x
−
x
=
65
−
10
x
=
55
÷
(
−11
)
x
=
−5
(5)
−5
＋
3
x
=
9
x
＋
8
x
−
75
3
x
−
9
x
−
8
x
=
−75
＋
5
x
=
−70
÷
(
−14
)
x
=
5
(6)
9
x
＋
5
−
3
x
=
x
−
40
9
x
−
3
x
−
x
=
−40
−
5
x
=
−45
÷
5
x
=
−9
(7)
−8
−
10
x
=
8
x
＋
7
x
＋
117
−10
x
−
8
x
−
7
x
=
117
＋
8
x
=
125
÷
(
−25
)
x
=
−5
(8)
−6
x
＋
4
=
−9
x
−
5
x
＋
20
−6
x
＋
9
x
＋
5
x
=
20
−
4
x
=
16
÷
8
x
=
2
(9)
−9
−
8
x
−
6
x
=
4
x
＋
27
−8
x
−
6
x
−
4
x
=
27
＋
9
x
=
36
÷
(
−18
)
x
=
−2
(10)
−9
−
7
x
＋
4
x
=
−8
x
＋
11
−7
x
＋
4
x
＋
8
x
=
11
＋
9
x
=
20
÷
5
x
=
4
(11)
−7
＋
10
x
=
−8
x
＋
8
x
＋
13
10
x
＋
8
x
−
8
x
=
13
＋
7
x
=
20
÷
10
x
=
2
(12)
−6
x
＋
x
−
6
=
−4
x
−6
x
＋
x
＋
4
x
=
6
x
=
6
÷
(
−1
)
x
=
−6
(13)
−2
−
2
x
−
x
=
x
＋
18
−2
x
−
x
−
x
=
18
＋
2
x
=
20
÷
(
−4
)
x
=
−5
(14)
2
x
−
4
=
10
x
＋
6
x
＋
94
2
x
−
10
x
−
6
x
=
94
＋
4
x
=
98
÷
(
−14
)
x
=
−7