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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)
5
+
6
x
=
6
x
+
8
x
+
85
(2)
−3
x
+
6
=
−4
x
+
22
−
7
x
(3)
6
x
−
8
−
4
x
=
8
x
+
52
(4)
4
−
6
x
+
x
=
−2
x
−
23
(5)
1
+
7
x
+
5
x
=
3
x
−
89
(6)
10
x
+
6
=
4
x
+
42
+
2
x
(7)
5
+
4
x
+
4
x
=
x
−
65
(8)
−2
x
−
3
=
7
x
+
105
+
3
x
(9)
−6
x
+
10
x
+
10
=
5
x
+
5
(10)
10
x
+
7
=
2
x
+
7
x
+
6
(11)
−5
+
3
x
−
2
x
=
−7
x
−
37
(12)
−5
x
−
8
=
8
x
+
4
−
10
x
(13)
9
x
−
7
=
−6
x
−
4
x
−
140
(14)
6
x
+
8
=
−
x
+
24
−
9
x
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
5
+
6
x
=
6
x
+
8
x
+
85
6
x
−
6
x
−
8
x
=
85
−
5
x
=
80
÷
(
−8
)
x
=
−10
(2)
−3
x
+
6
=
−4
x
+
22
−
7
x
−3
x
+
4
x
+
7
x
=
22
−
6
x
=
16
÷
8
x
=
2
(3)
6
x
−
8
−
4
x
=
8
x
+
52
6
x
−
4
x
−
8
x
=
52
+
8
x
=
60
÷
(
−6
)
x
=
−10
(4)
4
−
6
x
+
x
=
−2
x
−
23
−6
x
+
x
+
2
x
=
−
23
−
4
x
=
−27
÷
(
−3
)
x
=
9
(5)
1
+
7
x
+
5
x
=
3
x
−
89
7
x
+
5
x
−
3
x
=
−
89
−
1
x
=
−90
÷
9
x
=
−10
(6)
10
x
+
6
=
4
x
+
42
+
2
x
10
x
−
4
x
−
2
x
=
42
−
6
x
=
36
÷
4
x
=
9
(7)
5
+
4
x
+
4
x
=
x
−
65
4
x
+
4
x
−
x
=
−
65
−
5
x
=
−70
÷
7
x
=
−10
(8)
−2
x
−
3
=
7
x
+
105
+
3
x
−2
x
−
7
x
−
3
x
=
105
+
3
x
=
108
÷
(
−12
)
x
=
−9
(9)
−6
x
+
10
x
+
10
=
5
x
+
5
−6
x
+
10
x
−
5
x
=
5
−
10
x
=
−5
÷
(
−1
)
x
=
5
(10)
10
x
+
7
=
2
x
+
7
x
+
6
10
x
−
2
x
−
7
x
=
6
−
7
x
=
−1
÷
1
x
=
−1
(11)
−5
+
3
x
−
2
x
=
−7
x
−
37
3
x
−
2
x
+
7
x
=
−37
+
5
x
=
−32
÷
8
x
=
−4
(12)
−5
x
−
8
=
8
x
+
4
−
10
x
−5
x
−
8
x
+
10
x
=
4
+
8
x
=
12
÷
(
−3
)
x
=
−4
(13)
9
x
−
7
=
−6
x
−
4
x
−
140
9
x
+
6
x
+
4
x
=
−140
+
7
x
=
−133
÷
19
x
=
−7
(14)
6
x
+
8
=
−
x
+
24
−
9
x
6
x
+
x
+
9
x
=
24
−
8
x
=
16
÷
16
x
=
1