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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)
4
+
8
x
−
4
x
=
8
x
−
4
(2)
4
+
3
x
=
−9
x
+
5
x
−
24
(3)
3
x
−
3
−
x
=
−2
x
−
43
(4)
−9
x
+
1
=
−3
x
−
69
+
4
x
(5)
−4
+
4
x
=
−5
x
−
8
x
−
174
(6)
7
x
+
2
+
5
x
=
−2
x
+
100
(7)
10
−
4
x
=
−7
x
−
5
x
+
34
(8)
−4
+
10
x
=
4
x
+
7
x
+
6
(9)
−9
x
−
1
=
−5
x
−
15
+
10
x
(10)
10
x
−
8
x
−
9
=
−3
x
+
11
(11)
−6
x
+
1
+
3
x
=
−8
x
−
34
(12)
6
x
−
2
+
2
x
=
−2
x
+
58
(13)
10
+
10
x
=
−10
x
+
10
x
+
60
(14)
10
+
7
x
+
3
x
=
x
−
80
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
4
+
8
x
−
4
x
=
8
x
−
4
8
x
−
4
x
−
8
x
=
−4
−
4
x
=
−8
÷
(
−4
)
x
=
2
(2)
4
+
3
x
=
−9
x
+
5
x
−
24
3
x
+
9
x
−
5
x
=
−24
−
4
x
=
−28
÷
7
x
=
−4
(3)
3
x
−
3
−
x
=
−2
x
−
43
3
x
−
x
+
2
x
=
−43
+
3
x
=
−40
÷
4
x
=
−10
(4)
−9
x
+
1
=
−3
x
−
69
+
4
x
−9
x
+
3
x
−
4
x
=
−69
−
1
x
=
−70
÷
(
−10
)
x
=
7
(5)
−4
+
4
x
=
−5
x
−
8
x
−
174
4
x
+
5
x
+
8
x
=
−174
+
4
x
=
−170
÷
17
x
=
−10
(6)
7
x
+
2
+
5
x
=
−2
x
+
100
7
x
+
5
x
+
2
x
=
100
−
2
x
=
98
÷
14
x
=
7
(7)
10
−
4
x
=
−7
x
−
5
x
+
34
−4
x
+
7
x
+
5
x
=
34
−
10
x
=
24
÷
8
x
=
3
(8)
−4
+
10
x
=
4
x
+
7
x
+
6
10
x
−
4
x
−
7
x
=
6
+
4
x
=
10
÷
(
−1
)
x
=
−10
(9)
−9
x
−
1
=
−5
x
−
15
+
10
x
−9
x
+
5
x
−
10
x
=
−
15
+
1
x
=
−14
÷
(
−14
)
x
=
1
(10)
10
x
−
8
x
−
9
=
−3
x
+
11
10
x
−
8
x
+
3
x
=
11
+
9
x
=
20
÷
5
x
=
4
(11)
−6
x
+
1
+
3
x
=
−8
x
−
34
−6
x
+
3
x
+
8
x
=
−
34
−
1
x
=
−35
÷
5
x
=
−7
(12)
6
x
−
2
+
2
x
=
−2
x
+
58
6
x
+
2
x
+
2
x
=
58
+
2
x
=
60
÷
10
x
=
6
(13)
10
+
10
x
=
−10
x
+
10
x
+
60
10
x
+
10
x
−
10
x
=
60
−
10
x
=
50
÷
10
x
=
5
(14)
10
+
7
x
+
3
x
=
x
−
80
7
x
+
3
x
−
x
=
−80
−
10
x
=
−90
÷
9
x
=
−10