[文字サイズの変更]
▼
▲
©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
x
+
4
=
−
x
+
5
x
+
58
(2)
−6
+
9
x
=
−6
x
+
7
x
−
30
(3)
−8
+
7
x
=
8
x
−
9
x
+
56
(4)
−9
x
−
4
x
+
7
=
9
x
+
73
(5)
7
+
9
x
+
5
x
=
4
x
−
33
(6)
5
x
+
6
x
−
1
=
5
x
−
61
(7)
9
x
−
3
x
−
1
=
8
x
−
13
(8)
−1
−
4
x
+
2
x
=
9
x
+
10
(9)
9
x
+
1
+
9
x
=
2
x
+
81
(10)
3
x
−
7
=
−9
x
−
4
x
−
151
(11)
−2
+
2
x
+
4
x
=
−
x
+
19
(12)
9
x
+
x
−
3
=
8
x
+
17
(13)
2
+
2
x
=
−2
x
+
x
+
5
(14)
−8
x
+
4
x
+
7
=
−6
x
+
5
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−5
x
+
4
=
−
x
+
5
x
+
58
−5
x
+
x
−
5
x
=
58
−
4
x
=
54
÷
(
−9
)
x
=
−6
(2)
−6
+
9
x
=
−6
x
+
7
x
−
30
9
x
+
6
x
−
7
x
=
−
30
+
6
x
=
−24
÷
8
x
=
−3
(3)
−8
+
7
x
=
8
x
−
9
x
+
56
7
x
−
8
x
+
9
x
=
56
+
8
x
=
64
÷
8
x
=
8
(4)
−9
x
−
4
x
+
7
=
9
x
+
73
−9
x
−
4
x
−
9
x
=
73
−
7
x
=
66
÷
(
−22
)
x
=
−3
(5)
7
+
9
x
+
5
x
=
4
x
−
33
9
x
+
5
x
−
4
x
=
−
33
−
7
x
=
−40
÷
10
x
=
−4
(6)
5
x
+
6
x
−
1
=
5
x
−
61
5
x
+
6
x
−
5
x
=
−
61
+
1
x
=
−60
÷
6
x
=
−10
(7)
9
x
−
3
x
−
1
=
8
x
−
13
9
x
−
3
x
−
8
x
=
−13
+
1
x
=
−12
÷
(
−2
)
x
=
6
(8)
−1
−
4
x
+
2
x
=
9
x
+
10
−4
x
+
2
x
−
9
x
=
10
+
1
x
=
11
÷
(
−11
)
x
=
−1
(9)
9
x
+
1
+
9
x
=
2
x
+
81
9
x
+
9
x
−
2
x
=
81
−
1
x
=
80
÷
16
x
=
5
(10)
3
x
−
7
=
−9
x
−
4
x
−
151
3
x
+
9
x
+
4
x
=
−
151
+
7
x
=
−144
÷
16
x
=
−9
(11)
−2
+
2
x
+
4
x
=
−
x
+
19
2
x
+
4
x
+
x
=
19
+
2
x
=
21
÷
7
x
=
3
(12)
9
x
+
x
−
3
=
8
x
+
17
9
x
+
x
−
8
x
=
17
+
3
x
=
20
÷
2
x
=
10
(13)
2
+
2
x
=
−2
x
+
x
+
5
2
x
+
2
x
−
x
=
5
−
2
x
=
3
÷
3
x
=
1
(14)
−8
x
+
4
x
+
7
=
−6
x
+
5
−8
x
+
4
x
+
6
x
=
5
−
7
x
=
−2
÷
2
x
=
−1