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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
−
3
x
−
4
=
−6
x
+
14
(2)
−1
+
6
x
+
9
x
=
2
x
+
38
(3)
−7
−
8
x
−
4
x
=
−6
x
−
67
(4)
−8
+
7
x
+
10
x
=
−9
x
+
252
(5)
−2
+
6
x
−
3
x
=
8
x
+
3
(6)
−8
x
−
9
=
6
x
+
x
+
81
(7)
8
x
+
2
=
6
x
+
74
−
7
x
(8)
−2
x
+
4
=
−6
x
+
9
x
−
6
(9)
10
x
−
4
=
−6
x
+
8
x
+
68
(10)
6
+
2
x
+
9
x
=
7
x
−
6
(11)
−4
−
x
=
4
x
−
9
x
(12)
9
x
−
8
x
−
7
=
−9
x
+
23
(13)
4
x
+
1
=
−7
x
−
2
+
10
x
(14)
−7
x
+
8
=
10
x
−
46
−
8
x
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
6
x
−
3
x
−
4
=
−6
x
+
14
6
x
−
3
x
+
6
x
=
14
+
4
x
=
18
÷
9
x
=
2
(2)
−1
+
6
x
+
9
x
=
2
x
+
38
6
x
+
9
x
−
2
x
=
38
+
1
x
=
39
÷
13
x
=
3
(3)
−7
−
8
x
−
4
x
=
−6
x
−
67
−8
x
−
4
x
+
6
x
=
−
67
+
7
x
=
−60
÷
(
−6
)
x
=
10
(4)
−8
+
7
x
+
10
x
=
−9
x
+
252
7
x
+
10
x
+
9
x
=
252
+
8
x
=
260
÷
26
x
=
10
(5)
−2
+
6
x
−
3
x
=
8
x
+
3
6
x
−
3
x
−
8
x
=
3
+
2
x
=
5
÷
(
−5
)
x
=
−1
(6)
−8
x
−
9
=
6
x
+
x
+
81
−8
x
−
6
x
−
x
=
81
+
9
x
=
90
÷
(
−15
)
x
=
−6
(7)
8
x
+
2
=
6
x
+
74
−
7
x
8
x
−
6
x
+
7
x
=
74
−
2
x
=
72
÷
9
x
=
8
(8)
−2
x
+
4
=
−6
x
+
9
x
−
6
−2
x
+
6
x
−
9
x
=
−6
−
4
x
=
−10
÷
(
−5
)
x
=
2
(9)
10
x
−
4
=
−6
x
+
8
x
+
68
10
x
+
6
x
−
8
x
=
68
+
4
x
=
72
÷
8
x
=
9
(10)
6
+
2
x
+
9
x
=
7
x
−
6
2
x
+
9
x
−
7
x
=
−6
−
6
x
=
−12
÷
4
x
=
−3
(11)
−4
−
x
=
4
x
−
9
x
−
x
−
4
x
+
9
x
=
4
x
=
4
÷
4
x
=
1
(12)
9
x
−
8
x
−
7
=
−9
x
+
23
9
x
−
8
x
+
9
x
=
23
+
7
x
=
30
÷
10
x
=
3
(13)
4
x
+
1
=
−7
x
−
2
+
10
x
4
x
+
7
x
−
10
x
=
−2
−
1
x
=
−3
÷
1
x
=
−3
(14)
−7
x
+
8
=
10
x
−
46
−
8
x
−7
x
−
10
x
+
8
x
=
−
46
−
8
x
=
−54
÷
(
−9
)
x
=
6