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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)
−7
x
−
1
=
−7
x
−
65
−
8
x
(2)
2
x
+
4
=
10
x
−
45
−
x
(3)
−4
x
−
9
x
+
10
=
−7
x
−
14
(4)
−4
x
+
7
=
4
x
−
x
+
77
(5)
−
x
+
1
=
−
x
+
65
−
8
x
(6)
−4
x
+
9
x
+
10
=
−8
x
+
114
(7)
−6
x
+
1
+
6
x
=
−10
x
+
61
(8)
−7
x
+
x
−
3
=
3
x
+
51
(9)
7
+
3
x
+
2
x
=
−8
x
+
33
(10)
6
x
−
9
=
3
x
+
12
+
10
x
(11)
−9
x
−
6
=
10
x
+
9
x
+
218
(12)
−4
x
+
6
x
+
8
=
−5
x
−
34
(13)
7
−
8
x
=
−7
x
+
x
+
13
(14)
−9
x
+
4
=
x
−
68
−
2
x
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−7
x
−
1
=
−7
x
−
65
−
8
x
−7
x
+
7
x
+
8
x
=
−65
+
1
x
=
−64
÷
8
x
=
−8
(2)
2
x
+
4
=
10
x
−
45
−
x
2
x
−
10
x
+
x
=
−
45
−
4
x
=
−49
÷
(
−7
)
x
=
7
(3)
−4
x
−
9
x
+
10
=
−7
x
−
14
−4
x
−
9
x
+
7
x
=
−
14
−
10
x
=
−24
÷
(
−6
)
x
=
4
(4)
−4
x
+
7
=
4
x
−
x
+
77
−4
x
−
4
x
+
x
=
77
−
7
x
=
70
÷
(
−7
)
x
=
−10
(5)
−
x
+
1
=
−
x
+
65
−
8
x
−
x
+
x
+
8
x
=
65
−
1
x
=
64
÷
8
x
=
8
(6)
−4
x
+
9
x
+
10
=
−8
x
+
114
−4
x
+
9
x
+
8
x
=
114
−
10
x
=
104
÷
13
x
=
8
(7)
−6
x
+
1
+
6
x
=
−10
x
+
61
−6
x
+
6
x
+
10
x
=
61
−
1
x
=
60
÷
10
x
=
6
(8)
−7
x
+
x
−
3
=
3
x
+
51
−7
x
+
x
−
3
x
=
51
+
3
x
=
54
÷
(
−9
)
x
=
−6
(9)
7
+
3
x
+
2
x
=
−8
x
+
33
3
x
+
2
x
+
8
x
=
33
−
7
x
=
26
÷
13
x
=
2
(10)
6
x
−
9
=
3
x
+
12
+
10
x
6
x
−
3
x
−
10
x
=
12
+
9
x
=
21
÷
(
−7
)
x
=
−3
(11)
−9
x
−
6
=
10
x
+
9
x
+
218
−9
x
−
10
x
−
9
x
=
218
+
6
x
=
224
÷
(
−28
)
x
=
−8
(12)
−4
x
+
6
x
+
8
=
−5
x
−
34
−4
x
+
6
x
+
5
x
=
−34
−
8
x
=
−42
÷
7
x
=
−6
(13)
7
−
8
x
=
−7
x
+
x
+
13
−8
x
+
7
x
−
x
=
13
−
7
x
=
6
÷
(
−2
)
x
=
−3
(14)
−9
x
+
4
=
x
−
68
−
2
x
−9
x
−
x
+
2
x
=
−68
−
4
x
=
−72
÷
(
−8
)
x
=
9