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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)
−9
−
x
+
9
x
=
4
x
−
17
(2)
−6
x
+
6
x
−
1
=
−3
x
+
20
(3)
−8
x
+
1
+
9
x
=
7
x
+
31
(4)
−4
x
−
6
=
−
x
+
x
−
14
(5)
−7
+
10
x
=
9
x
−
2
x
+
2
(6)
7
x
+
9
−
10
x
=
−8
x
+
49
(7)
2
x
−
5
=
−7
x
−
20
+
4
x
(8)
1
+
2
x
−
7
x
=
−
x
+
29
(9)
−9
+
6
x
=
−6
x
+
7
x
−
44
(10)
2
+
2
x
+
5
x
=
−10
x
+
36
(11)
−5
x
−
3
=
−10
x
+
47
−
5
x
(12)
5
−
2
x
=
−10
x
+
x
+
75
(13)
10
x
+
5
x
+
10
=
−8
x
+
240
(14)
−4
x
−
6
=
3
x
−
4
−
6
x
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−9
−
x
+
9
x
=
4
x
−
17
−
x
+
9
x
−
4
x
=
−17
+
9
x
=
−8
÷
4
x
=
−2
(2)
−6
x
+
6
x
−
1
=
−3
x
+
20
−6
x
+
6
x
+
3
x
=
20
+
1
x
=
21
÷
3
x
=
7
(3)
−8
x
+
1
+
9
x
=
7
x
+
31
−8
x
+
9
x
−
7
x
=
31
−
1
x
=
30
÷
(
−6
)
x
=
−5
(4)
−4
x
−
6
=
−
x
+
x
−
14
−4
x
+
x
−
x
=
−14
+
6
x
=
−8
÷
(
−4
)
x
=
2
(5)
−7
+
10
x
=
9
x
−
2
x
+
2
10
x
−
9
x
+
2
x
=
2
+
7
x
=
9
÷
3
x
=
3
(6)
7
x
+
9
−
10
x
=
−8
x
+
49
7
x
−
10
x
+
8
x
=
49
−
9
x
=
40
÷
5
x
=
8
(7)
2
x
−
5
=
−7
x
−
20
+
4
x
2
x
+
7
x
−
4
x
=
−20
+
5
x
=
−15
÷
5
x
=
−3
(8)
1
+
2
x
−
7
x
=
−
x
+
29
2
x
−
7
x
+
x
=
29
−
1
x
=
28
÷
(
−4
)
x
=
−7
(9)
−9
+
6
x
=
−6
x
+
7
x
−
44
6
x
+
6
x
−
7
x
=
−
44
+
9
x
=
−35
÷
5
x
=
−7
(10)
2
+
2
x
+
5
x
=
−10
x
+
36
2
x
+
5
x
+
10
x
=
36
−
2
x
=
34
÷
17
x
=
2
(11)
−5
x
−
3
=
−10
x
+
47
−
5
x
−5
x
+
10
x
+
5
x
=
47
+
3
x
=
50
÷
10
x
=
5
(12)
5
−
2
x
=
−10
x
+
x
+
75
−2
x
+
10
x
−
x
=
75
−
5
x
=
70
÷
7
x
=
10
(13)
10
x
+
5
x
+
10
=
−8
x
+
240
10
x
+
5
x
+
8
x
=
240
−
10
x
=
230
÷
23
x
=
10
(14)
−4
x
−
6
=
3
x
−
4
−
6
x
−4
x
−
3
x
+
6
x
=
−4
+
6
x
=
2
÷
(
−1
)
x
=
−2