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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
+
9
x
+
9
x
=
x
−
91
(2)
−5
x
−
4
−
3
x
=
−2
x
+
2
(3)
5
x
+
9
+
3
x
=
3
x
+
34
(4)
−7
x
+
9
−
2
x
=
−4
x
+
34
(5)
2
x
+
10
=
10
x
+
58
+
4
x
(6)
−9
x
−
1
=
−8
x
+
3
x
−
5
(7)
7
x
−
6
−
x
=
−4
x
−
106
(8)
3
x
−
10
−
x
=
−6
x
+
62
(9)
−7
x
−
1
−
5
x
=
6
x
+
35
(10)
−4
x
+
4
x
+
6
=
−9
x
+
24
(11)
10
x
−
4
+
2
x
=
x
−
59
(12)
−7
x
+
10
=
8
x
+
30
+
5
x
(13)
−2
+
5
x
=
−9
x
+
10
x
−
6
(14)
8
−
8
x
=
−2
x
+
10
x
−
56
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−6
+
9
x
+
9
x
=
x
−
91
9
x
+
9
x
−
x
=
−91
+
6
x
=
−85
÷
17
x
=
−5
(2)
−5
x
−
4
−
3
x
=
−2
x
+
2
−5
x
−
3
x
+
2
x
=
2
+
4
x
=
6
÷
(
−6
)
x
=
−1
(3)
5
x
+
9
+
3
x
=
3
x
+
34
5
x
+
3
x
−
3
x
=
34
−
9
x
=
25
÷
5
x
=
5
(4)
−7
x
+
9
−
2
x
=
−4
x
+
34
−7
x
−
2
x
+
4
x
=
34
−
9
x
=
25
÷
(
−5
)
x
=
−5
(5)
2
x
+
10
=
10
x
+
58
+
4
x
2
x
−
10
x
−
4
x
=
58
−
10
x
=
48
÷
(
−12
)
x
=
−4
(6)
−9
x
−
1
=
−8
x
+
3
x
−
5
−9
x
+
8
x
−
3
x
=
−
5
+
1
x
=
−4
÷
(
−4
)
x
=
1
(7)
7
x
−
6
−
x
=
−4
x
−
106
7
x
−
x
+
4
x
=
−106
+
6
x
=
−100
÷
10
x
=
−10
(8)
3
x
−
10
−
x
=
−6
x
+
62
3
x
−
x
+
6
x
=
62
+
10
x
=
72
÷
8
x
=
9
(9)
−7
x
−
1
−
5
x
=
6
x
+
35
−7
x
−
5
x
−
6
x
=
35
+
1
x
=
36
÷
(
−18
)
x
=
−2
(10)
−4
x
+
4
x
+
6
=
−9
x
+
24
−4
x
+
4
x
+
9
x
=
24
−
6
x
=
18
÷
9
x
=
2
(11)
10
x
−
4
+
2
x
=
x
−
59
10
x
+
2
x
−
x
=
−59
+
4
x
=
−55
÷
11
x
=
−5
(12)
−7
x
+
10
=
8
x
+
30
+
5
x
−7
x
−
8
x
−
5
x
=
30
−
10
x
=
20
÷
(
−20
)
x
=
−1
(13)
−2
+
5
x
=
−9
x
+
10
x
−
6
5
x
+
9
x
−
10
x
=
−6
+
2
x
=
−4
÷
4
x
=
−1
(14)
8
−
8
x
=
−2
x
+
10
x
−
56
−8
x
+
2
x
−
10
x
=
−56
−
8
x
=
−64
÷
(
−16
)
x
=
4