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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)
−2
x
−
2
−
3
x
=
7
x
−
38
(2)
10
x
−
2
=
7
x
−
2
x
−
52
(3)
6
x
−
1
=
−7
x
+
7
x
+
59
(4)
−9
x
−
4
=
−3
x
+
31
−
x
(5)
−10
x
+
2
=
2
x
−
6
x
+
20
(6)
−8
−
4
x
=
9
x
+
7
x
−
68
(7)
−8
+
10
x
=
−4
x
+
6
x
+
48
(8)
9
x
−
8
=
−5
x
+
40
−
10
x
(9)
−7
x
+
3
+
2
x
=
3
x
−
37
(10)
−9
x
+
4
+
5
x
=
8
x
−
56
(11)
−5
x
+
5
+
10
x
=
−3
x
−
67
(12)
−9
+
2
x
+
8
x
=
−7
x
−
60
(13)
−5
+
6
x
=
−
x
+
9
x
+
15
(14)
9
−
x
+
9
x
=
−5
x
−
17
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−2
x
−
2
−
3
x
=
7
x
−
38
−2
x
−
3
x
−
7
x
=
−
38
+
2
x
=
−36
÷
(
−12
)
x
=
3
(2)
10
x
−
2
=
7
x
−
2
x
−
52
10
x
−
7
x
+
2
x
=
−52
+
2
x
=
−50
÷
5
x
=
−10
(3)
6
x
−
1
=
−7
x
+
7
x
+
59
6
x
+
7
x
−
7
x
=
59
+
1
x
=
60
÷
6
x
=
10
(4)
−9
x
−
4
=
−3
x
+
31
−
x
−9
x
+
3
x
+
x
=
31
+
4
x
=
35
÷
(
−5
)
x
=
−7
(5)
−10
x
+
2
=
2
x
−
6
x
+
20
−10
x
−
2
x
+
6
x
=
20
−
2
x
=
18
÷
(
−6
)
x
=
−3
(6)
−8
−
4
x
=
9
x
+
7
x
−
68
−4
x
−
9
x
−
7
x
=
−68
+
8
x
=
−60
÷
(
−20
)
x
=
3
(7)
−8
+
10
x
=
−4
x
+
6
x
+
48
10
x
+
4
x
−
6
x
=
48
+
8
x
=
56
÷
8
x
=
7
(8)
9
x
−
8
=
−5
x
+
40
−
10
x
9
x
+
5
x
+
10
x
=
40
+
8
x
=
48
÷
24
x
=
2
(9)
−7
x
+
3
+
2
x
=
3
x
−
37
−7
x
+
2
x
−
3
x
=
−37
−
3
x
=
−40
÷
(
−8
)
x
=
5
(10)
−9
x
+
4
+
5
x
=
8
x
−
56
−9
x
+
5
x
−
8
x
=
−
56
−
4
x
=
−60
÷
(
−12
)
x
=
5
(11)
−5
x
+
5
+
10
x
=
−3
x
−
67
−5
x
+
10
x
+
3
x
=
−67
−
5
x
=
−72
÷
8
x
=
−9
(12)
−9
+
2
x
+
8
x
=
−7
x
−
60
2
x
+
8
x
+
7
x
=
−60
+
9
x
=
−51
÷
17
x
=
−3
(13)
−5
+
6
x
=
−
x
+
9
x
+
15
6
x
+
x
−
9
x
=
15
+
5
x
=
20
÷
(
−2
)
x
=
−10
(14)
9
−
x
+
9
x
=
−5
x
−
17
−
x
+
9
x
+
5
x
=
−17
−
9
x
=
−26
÷
13
x
=
−2