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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)
−3
−
6
x
＋
3
x
=
−7
x
＋
1
(2)
−8
＋
10
x
−
2
x
=
x
−
43
(3)
6
x
＋
7
=
3
x
＋
13
＋
9
x
(4)
5
x
−
4
＋
7
x
=
−3
x
＋
101
(5)
2
x
＋
5
＋
x
=
−7
x
＋
75
(6)
3
＋
7
x
=
6
x
＋
3
x
＋
17
(7)
−
x
−
9
=
−10
x
−
85
−
10
x
(8)
10
x
＋
6
x
＋
10
=
−10
x
＋
244
(9)
−10
x
−
6
＋
5
x
=
x
−
54
(10)
−
x
−
1
＋
3
x
=
9
x
−
8
(11)
−3
x
＋
5
x
−
5
=
8
x
＋
37
(12)
−8
x
＋
3
=
8
x
＋
33
−
6
x
(13)
−7
x
＋
9
x
−
2
=
−
x
＋
7
(14)
−5
−
5
x
=
−8
x
＋
5
x
＋
7
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−3
−
6
x
＋
3
x
=
−7
x
＋
1
−6
x
＋
3
x
＋
7
x
=
1
＋
3
x
=
4
÷
4
x
=
1
(2)
−8
＋
10
x
−
2
x
=
x
−
43
10
x
−
2
x
−
x
=
−
43
＋
8
x
=
−35
÷
7
x
=
−5
(3)
6
x
＋
7
=
3
x
＋
13
＋
9
x
6
x
−
3
x
−
9
x
=
13
−
7
x
=
6
÷
(
−6
)
x
=
−1
(4)
5
x
−
4
＋
7
x
=
−3
x
＋
101
5
x
＋
7
x
＋
3
x
=
101
＋
4
x
=
105
÷
15
x
=
7
(5)
2
x
＋
5
＋
x
=
−7
x
＋
75
2
x
＋
x
＋
7
x
=
75
−
5
x
=
70
÷
10
x
=
7
(6)
3
＋
7
x
=
6
x
＋
3
x
＋
17
7
x
−
6
x
−
3
x
=
17
−
3
x
=
14
÷
(
−2
)
x
=
−7
(7)
−
x
−
9
=
−10
x
−
85
−
10
x
−
x
＋
10
x
＋
10
x
=
−
85
＋
9
x
=
−76
÷
19
x
=
−4
(8)
10
x
＋
6
x
＋
10
=
−10
x
＋
244
10
x
＋
6
x
＋
10
x
=
244
−
10
x
=
234
÷
26
x
=
9
(9)
−10
x
−
6
＋
5
x
=
x
−
54
−10
x
＋
5
x
−
x
=
−
54
＋
6
x
=
−48
÷
(
−6
)
x
=
8
(10)
−
x
−
1
＋
3
x
=
9
x
−
8
−
x
＋
3
x
−
9
x
=
−8
＋
1
x
=
−7
÷
(
−7
)
x
=
1
(11)
−3
x
＋
5
x
−
5
=
8
x
＋
37
−3
x
＋
5
x
−
8
x
=
37
＋
5
x
=
42
÷
(
−6
)
x
=
−7
(12)
−8
x
＋
3
=
8
x
＋
33
−
6
x
−8
x
−
8
x
＋
6
x
=
33
−
3
x
=
30
÷
(
−10
)
x
=
−3
(13)
−7
x
＋
9
x
−
2
=
−
x
＋
7
−7
x
＋
9
x
＋
x
=
7
＋
2
x
=
9
÷
3
x
=
3
(14)
−5
−
5
x
=
−8
x
＋
5
x
＋
7
−5
x
＋
8
x
−
5
x
=
7
＋
5
x
=
12
÷
(
−2
)
x
=
−6