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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[0E4-00]
(1)
−10
x
＋
2
＋
7
x
=
−4
x
＋
9
(2)
−7
x
＋
6
＋
5
x
=
−6
x
−
14
(3)
−4
＋
7
x
−
8
x
=
3
x
＋
28
(4)
6
＋
7
x
=
−10
x
−
2
x
−
13
(5)
8
x
−
6
=
−9
x
−
198
−
7
x
(6)
−9
＋
4
x
＋
2
x
=
−3
x
＋
27
(7)
−9
＋
2
x
=
−8
x
＋
7
x
−
39
(8)
−8
＋
9
x
=
−8
x
＋
8
x
−
71
(9)
4
x
＋
3
=
5
x
−
8
x
−
4
(10)
3
x
＋
6
=
3
x
−
2
x
＋
14
(11)
−7
＋
8
x
=
−10
x
＋
8
x
＋
13
(12)
−9
＋
2
x
＋
7
x
=
−7
x
＋
87
(13)
−3
＋
9
x
＋
5
x
=
−3
x
＋
133
(14)
−
x
＋
1
＋
3
x
=
−6
x
−
7
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−10
x
＋
2
＋
7
x
=
−4
x
＋
9
−10
x
＋
7
x
＋
4
x
=
9
−
2
x
=
7
÷
1
x
=
7
(2)
−7
x
＋
6
＋
5
x
=
−6
x
−
14
−7
x
＋
5
x
＋
6
x
=
−
14
−
6
x
=
−20
÷
4
x
=
−5
(3)
−4
＋
7
x
−
8
x
=
3
x
＋
28
7
x
−
8
x
−
3
x
=
28
＋
4
x
=
32
÷
(
−4
)
x
=
−8
(4)
6
＋
7
x
=
−10
x
−
2
x
−
13
7
x
＋
10
x
＋
2
x
=
−13
−
6
x
=
−19
÷
19
x
=
−1
(5)
8
x
−
6
=
−9
x
−
198
−
7
x
8
x
＋
9
x
＋
7
x
=
−
198
＋
6
x
=
−192
÷
24
x
=
−8
(6)
−9
＋
4
x
＋
2
x
=
−3
x
＋
27
4
x
＋
2
x
＋
3
x
=
27
＋
9
x
=
36
÷
9
x
=
4
(7)
−9
＋
2
x
=
−8
x
＋
7
x
−
39
2
x
＋
8
x
−
7
x
=
−
39
＋
9
x
=
−30
÷
3
x
=
−10
(8)
−8
＋
9
x
=
−8
x
＋
8
x
−
71
9
x
＋
8
x
−
8
x
=
−
71
＋
8
x
=
−63
÷
9
x
=
−7
(9)
4
x
＋
3
=
5
x
−
8
x
−
4
4
x
−
5
x
＋
8
x
=
−
4
−
3
x
=
−7
÷
7
x
=
−1
(10)
3
x
＋
6
=
3
x
−
2
x
＋
14
3
x
−
3
x
＋
2
x
=
14
−
6
x
=
8
÷
2
x
=
4
(11)
−7
＋
8
x
=
−10
x
＋
8
x
＋
13
8
x
＋
10
x
−
8
x
=
13
＋
7
x
=
20
÷
10
x
=
2
(12)
−9
＋
2
x
＋
7
x
=
−7
x
＋
87
2
x
＋
7
x
＋
7
x
=
87
＋
9
x
=
96
÷
16
x
=
6
(13)
−3
＋
9
x
＋
5
x
=
−3
x
＋
133
9
x
＋
5
x
＋
3
x
=
133
＋
3
x
=
136
÷
17
x
=
8
(14)
−
x
＋
1
＋
3
x
=
−6
x
−
7
−
x
＋
3
x
＋
6
x
=
−
7
−
1
x
=
−8
÷
8
x
=
−1