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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
+
5
=
10
x
+
10
x
+
103
(2)
−5
−
10
x
=
7
x
+
8
x
−
130
(3)
−10
x
+
9
=
−4
x
+
21
+
6
x
(4)
6
x
+
10
=
7
x
+
66
+
7
x
(5)
−2
+
4
x
−
6
x
=
−
x
−
6
(6)
−9
−
7
x
=
8
x
−
3
x
+
75
(7)
−8
x
+
5
x
+
1
=
−4
x
+
7
(8)
−4
+
4
x
=
−10
x
+
4
x
+
6
(9)
10
x
+
5
−
x
=
5
x
+
41
(10)
2
−
9
x
=
7
x
+
4
x
−
138
(11)
3
x
−
10
=
−9
x
−
7
x
+
161
(12)
5
+
5
x
+
4
x
=
−10
x
+
119
(13)
2
+
3
x
−
10
x
=
−3
x
−
2
(14)
−9
+
3
x
=
−5
x
−
6
x
−
121
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
6
x
+
5
=
10
x
+
10
x
+
103
6
x
−
10
x
−
10
x
=
103
−
5
x
=
98
÷
(
−14
)
x
=
−7
(2)
−5
−
10
x
=
7
x
+
8
x
−
130
−10
x
−
7
x
−
8
x
=
−130
+
5
x
=
−125
÷
(
−25
)
x
=
5
(3)
−10
x
+
9
=
−4
x
+
21
+
6
x
−10
x
+
4
x
−
6
x
=
21
−
9
x
=
12
÷
(
−12
)
x
=
−1
(4)
6
x
+
10
=
7
x
+
66
+
7
x
6
x
−
7
x
−
7
x
=
66
−
10
x
=
56
÷
(
−8
)
x
=
−7
(5)
−2
+
4
x
−
6
x
=
−
x
−
6
4
x
−
6
x
+
x
=
−
6
+
2
x
=
−4
÷
(
−1
)
x
=
4
(6)
−9
−
7
x
=
8
x
−
3
x
+
75
−7
x
−
8
x
+
3
x
=
75
+
9
x
=
84
÷
(
−12
)
x
=
−7
(7)
−8
x
+
5
x
+
1
=
−4
x
+
7
−8
x
+
5
x
+
4
x
=
7
−
1
x
=
6
÷
1
x
=
6
(8)
−4
+
4
x
=
−10
x
+
4
x
+
6
4
x
+
10
x
−
4
x
=
6
+
4
x
=
10
÷
10
x
=
1
(9)
10
x
+
5
−
x
=
5
x
+
41
10
x
−
x
−
5
x
=
41
−
5
x
=
36
÷
4
x
=
9
(10)
2
−
9
x
=
7
x
+
4
x
−
138
−9
x
−
7
x
−
4
x
=
−138
−
2
x
=
−140
÷
(
−20
)
x
=
7
(11)
3
x
−
10
=
−9
x
−
7
x
+
161
3
x
+
9
x
+
7
x
=
161
+
10
x
=
171
÷
19
x
=
9
(12)
5
+
5
x
+
4
x
=
−10
x
+
119
5
x
+
4
x
+
10
x
=
119
−
5
x
=
114
÷
19
x
=
6
(13)
2
+
3
x
−
10
x
=
−3
x
−
2
3
x
−
10
x
+
3
x
=
−2
−
2
x
=
−4
÷
(
−4
)
x
=
1
(14)
−9
+
3
x
=
−5
x
−
6
x
−
121
3
x
+
5
x
+
6
x
=
−
121
+
9
x
=
−112
÷
14
x
=
−8