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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)
2
x
＋
8
=
−8
x
＋
32
−
2
x
(2)
3
x
＋
4
=
5
x
−
8
＋
4
x
(3)
10
−
6
x
−
8
x
=
−6
x
＋
2
(4)
−10
＋
6
x
−
4
x
=
−10
x
−
22
(5)
−3
＋
3
x
−
9
x
=
5
x
＋
85
(6)
−3
x
−
5
＋
10
x
=
8
x
−
8
(7)
−10
x
＋
2
＋
9
x
=
7
x
＋
82
(8)
6
x
＋
4
=
2
x
＋
3
x
−
1
(9)
7
＋
10
x
＋
2
x
=
7
x
＋
32
(10)
−9
＋
6
x
＋
8
x
=
−5
x
＋
124
(11)
2
＋
10
x
=
6
x
−
3
x
＋
72
(12)
9
＋
4
x
=
−9
x
−
7
x
−
11
(13)
−10
x
＋
5
=
−8
x
＋
9
x
−
39
(14)
−7
x
＋
4
x
＋
1
=
−5
x
＋
13
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
x
＋
8
=
−8
x
＋
32
−
2
x
2
x
＋
8
x
＋
2
x
=
32
−
8
x
=
24
÷
12
x
=
2
(2)
3
x
＋
4
=
5
x
−
8
＋
4
x
3
x
−
5
x
−
4
x
=
−
8
−
4
x
=
−12
÷
(
−6
)
x
=
2
(3)
10
−
6
x
−
8
x
=
−6
x
＋
2
−6
x
−
8
x
＋
6
x
=
2
−
10
x
=
−8
÷
(
−8
)
x
=
1
(4)
−10
＋
6
x
−
4
x
=
−10
x
−
22
6
x
−
4
x
＋
10
x
=
−
22
＋
10
x
=
−12
÷
12
x
=
−1
(5)
−3
＋
3
x
−
9
x
=
5
x
＋
85
3
x
−
9
x
−
5
x
=
85
＋
3
x
=
88
÷
(
−11
)
x
=
−8
(6)
−3
x
−
5
＋
10
x
=
8
x
−
8
−3
x
＋
10
x
−
8
x
=
−8
＋
5
x
=
−3
÷
(
−1
)
x
=
3
(7)
−10
x
＋
2
＋
9
x
=
7
x
＋
82
−10
x
＋
9
x
−
7
x
=
82
−
2
x
=
80
÷
(
−8
)
x
=
−10
(8)
6
x
＋
4
=
2
x
＋
3
x
−
1
6
x
−
2
x
−
3
x
=
−
1
−
4
x
=
−5
÷
1
x
=
−5
(9)
7
＋
10
x
＋
2
x
=
7
x
＋
32
10
x
＋
2
x
−
7
x
=
32
−
7
x
=
25
÷
5
x
=
5
(10)
−9
＋
6
x
＋
8
x
=
−5
x
＋
124
6
x
＋
8
x
＋
5
x
=
124
＋
9
x
=
133
÷
19
x
=
7
(11)
2
＋
10
x
=
6
x
−
3
x
＋
72
10
x
−
6
x
＋
3
x
=
72
−
2
x
=
70
÷
7
x
=
10
(12)
9
＋
4
x
=
−9
x
−
7
x
−
11
4
x
＋
9
x
＋
7
x
=
−11
−
9
x
=
−20
÷
20
x
=
−1
(13)
−10
x
＋
5
=
−8
x
＋
9
x
−
39
−10
x
＋
8
x
−
9
x
=
−39
−
5
x
=
−44
÷
(
−11
)
x
=
4
(14)
−7
x
＋
4
x
＋
1
=
−5
x
＋
13
−7
x
＋
4
x
＋
5
x
=
13
−
1
x
=
12
÷
2
x
=
6