［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
−
7
＋
5
x
=
−
x
−
62
(2)
−6
−
5
x
=
−9
x
−
2
x
−
12
(3)
−
x
−
1
−
3
x
=
4
x
＋
15
(4)
−5
＋
6
x
＋
2
x
=
−3
x
＋
94
(5)
−6
＋
8
x
＋
10
x
=
−8
x
＋
254
(6)
3
x
＋
3
=
3
x
＋
7
−
x
(7)
−8
x
＋
10
x
−
1
=
5
x
＋
14
(8)
3
x
＋
8
＋
4
x
=
8
x
＋
1
(9)
2
＋
7
x
−
10
x
=
x
＋
38
(10)
5
x
−
7
=
−8
x
−
25
＋
7
x
(11)
−2
x
＋
2
＋
9
x
=
2
x
＋
52
(12)
−2
x
−
7
=
−6
x
＋
3
x
−
1
(13)
5
x
＋
5
=
−9
x
＋
82
＋
3
x
(14)
−4
x
−
7
=
3
x
＋
4
＋
4
x
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
5
x
−
7
＋
5
x
=
−
x
−
62
5
x
＋
5
x
＋
x
=
−
62
＋
7
x
=
−55
÷
11
x
=
−5
(2)
−6
−
5
x
=
−9
x
−
2
x
−
12
−5
x
＋
9
x
＋
2
x
=
−12
＋
6
x
=
−6
÷
6
x
=
−1
(3)
−
x
−
1
−
3
x
=
4
x
＋
15
−
x
−
3
x
−
4
x
=
15
＋
1
x
=
16
÷
(
−8
)
x
=
−2
(4)
−5
＋
6
x
＋
2
x
=
−3
x
＋
94
6
x
＋
2
x
＋
3
x
=
94
＋
5
x
=
99
÷
11
x
=
9
(5)
−6
＋
8
x
＋
10
x
=
−8
x
＋
254
8
x
＋
10
x
＋
8
x
=
254
＋
6
x
=
260
÷
26
x
=
10
(6)
3
x
＋
3
=
3
x
＋
7
−
x
3
x
−
3
x
＋
x
=
7
−
3
x
=
4
÷
1
x
=
4
(7)
−8
x
＋
10
x
−
1
=
5
x
＋
14
−8
x
＋
10
x
−
5
x
=
14
＋
1
x
=
15
÷
(
−3
)
x
=
−5
(8)
3
x
＋
8
＋
4
x
=
8
x
＋
1
3
x
＋
4
x
−
8
x
=
1
−
8
x
=
−7
÷
(
−1
)
x
=
7
(9)
2
＋
7
x
−
10
x
=
x
＋
38
7
x
−
10
x
−
x
=
38
−
2
x
=
36
÷
(
−4
)
x
=
−9
(10)
5
x
−
7
=
−8
x
−
25
＋
7
x
5
x
＋
8
x
−
7
x
=
−
25
＋
7
x
=
−18
÷
6
x
=
−3
(11)
−2
x
＋
2
＋
9
x
=
2
x
＋
52
−2
x
＋
9
x
−
2
x
=
52
−
2
x
=
50
÷
5
x
=
10
(12)
−2
x
−
7
=
−6
x
＋
3
x
−
1
−2
x
＋
6
x
−
3
x
=
−1
＋
7
x
=
6
÷
1
x
=
6
(13)
5
x
＋
5
=
−9
x
＋
82
＋
3
x
5
x
＋
9
x
−
3
x
=
82
−
5
x
=
77
÷
11
x
=
7
(14)
−4
x
−
7
=
3
x
＋
4
＋
4
x
−4
x
−
3
x
−
4
x
=
4
＋
7
x
=
11
÷
(
−11
)
x
=
−1