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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)
−6
x
−
1
＋
3
x
=
7
x
＋
19
(2)
−2
−
6
x
=
−
x
＋
6
x
−
101
(3)
−9
x
−
7
＋
3
x
=
−8
x
＋
7
(4)
−9
x
−
4
=
−9
x
＋
8
＋
4
x
(5)
−6
x
−
5
=
−3
x
＋
2
x
＋
30
(6)
−1
＋
7
x
−
3
x
=
−5
x
＋
89
(7)
3
＋
4
x
＋
8
x
=
7
x
＋
13
(8)
−5
x
＋
2
−
x
=
−9
x
＋
29
(9)
−3
−
4
x
−
5
x
=
−7
x
＋
1
(10)
1
−
x
＋
x
=
7
x
−
55
(11)
−8
x
−
5
=
−8
x
＋
10
−
3
x
(12)
7
＋
6
x
=
2
x
＋
2
x
＋
27
(13)
−7
x
＋
9
=
−8
x
−
8
x
＋
27
(14)
9
x
＋
10
x
＋
1
=
−8
x
＋
28
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−6
x
−
1
＋
3
x
=
7
x
＋
19
−6
x
＋
3
x
−
7
x
=
19
＋
1
x
=
20
÷
(
−10
)
x
=
−2
(2)
−2
−
6
x
=
−
x
＋
6
x
−
101
−6
x
＋
x
−
6
x
=
−101
＋
2
x
=
−99
÷
(
−11
)
x
=
9
(3)
−9
x
−
7
＋
3
x
=
−8
x
＋
7
−9
x
＋
3
x
＋
8
x
=
7
＋
7
x
=
14
÷
2
x
=
7
(4)
−9
x
−
4
=
−9
x
＋
8
＋
4
x
−9
x
＋
9
x
−
4
x
=
8
＋
4
x
=
12
÷
(
−4
)
x
=
−3
(5)
−6
x
−
5
=
−3
x
＋
2
x
＋
30
−6
x
＋
3
x
−
2
x
=
30
＋
5
x
=
35
÷
(
−5
)
x
=
−7
(6)
−1
＋
7
x
−
3
x
=
−5
x
＋
89
7
x
−
3
x
＋
5
x
=
89
＋
1
x
=
90
÷
9
x
=
10
(7)
3
＋
4
x
＋
8
x
=
7
x
＋
13
4
x
＋
8
x
−
7
x
=
13
−
3
x
=
10
÷
5
x
=
2
(8)
−5
x
＋
2
−
x
=
−9
x
＋
29
−5
x
−
x
＋
9
x
=
29
−
2
x
=
27
÷
3
x
=
9
(9)
−3
−
4
x
−
5
x
=
−7
x
＋
1
−4
x
−
5
x
＋
7
x
=
1
＋
3
x
=
4
÷
(
−2
)
x
=
−2
(10)
1
−
x
＋
x
=
7
x
−
55
−
x
＋
x
−
7
x
=
−55
−
1
x
=
−56
÷
(
−7
)
x
=
8
(11)
−8
x
−
5
=
−8
x
＋
10
−
3
x
−8
x
＋
8
x
＋
3
x
=
10
＋
5
x
=
15
÷
3
x
=
5
(12)
7
＋
6
x
=
2
x
＋
2
x
＋
27
6
x
−
2
x
−
2
x
=
27
−
7
x
=
20
÷
2
x
=
10
(13)
−7
x
＋
9
=
−8
x
−
8
x
＋
27
−7
x
＋
8
x
＋
8
x
=
27
−
9
x
=
18
÷
9
x
=
2
(14)
9
x
＋
10
x
＋
1
=
−8
x
＋
28
9
x
＋
10
x
＋
8
x
=
28
−
1
x
=
27
÷
27
x
=
1