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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)
−10
＋
2
x
＋
2
x
=
−7
x
＋
67
(2)
6
x
＋
4
x
＋
1
=
8
x
＋
17
(3)
−2
x
＋
2
=
−9
x
−
62
−
x
(4)
−
x
−
7
=
5
x
−
6
x
−
7
(5)
8
x
−
8
x
−
10
=
9
x
＋
8
(6)
6
−
7
x
=
3
x
−
2
x
−
42
(7)
4
x
＋
6
＋
6
x
=
3
x
＋
41
(8)
−2
x
＋
10
x
＋
8
=
−7
x
＋
128
(9)
9
x
＋
5
x
＋
7
=
−5
x
−
164
(10)
−7
x
＋
9
=
−10
x
＋
8
x
＋
19
(11)
6
x
＋
2
=
8
x
＋
8
−
x
(12)
7
x
＋
10
=
−8
x
＋
76
−
7
x
(13)
−3
x
−
7
=
−9
x
−
7
x
−
111
(14)
3
x
＋
4
=
−5
x
−
5
x
＋
69
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−10
＋
2
x
＋
2
x
=
−7
x
＋
67
2
x
＋
2
x
＋
7
x
=
67
＋
10
x
=
77
÷
11
x
=
7
(2)
6
x
＋
4
x
＋
1
=
8
x
＋
17
6
x
＋
4
x
−
8
x
=
17
−
1
x
=
16
÷
2
x
=
8
(3)
−2
x
＋
2
=
−9
x
−
62
−
x
−2
x
＋
9
x
＋
x
=
−62
−
2
x
=
−64
÷
8
x
=
−8
(4)
−
x
−
7
=
5
x
−
6
x
−
7
−
x
−
5
x
＋
6
x
=
−7
＋
7
x
=
0
÷
0
x
=
NAN
(5)
8
x
−
8
x
−
10
=
9
x
＋
8
8
x
−
8
x
−
9
x
=
8
＋
10
x
=
18
÷
(
−9
)
x
=
−2
(6)
6
−
7
x
=
3
x
−
2
x
−
42
−7
x
−
3
x
＋
2
x
=
−42
−
6
x
=
−48
÷
(
−8
)
x
=
6
(7)
4
x
＋
6
＋
6
x
=
3
x
＋
41
4
x
＋
6
x
−
3
x
=
41
−
6
x
=
35
÷
7
x
=
5
(8)
−2
x
＋
10
x
＋
8
=
−7
x
＋
128
−2
x
＋
10
x
＋
7
x
=
128
−
8
x
=
120
÷
15
x
=
8
(9)
9
x
＋
5
x
＋
7
=
−5
x
−
164
9
x
＋
5
x
＋
5
x
=
−164
−
7
x
=
−171
÷
19
x
=
−9
(10)
−7
x
＋
9
=
−10
x
＋
8
x
＋
19
−7
x
＋
10
x
−
8
x
=
19
−
9
x
=
10
÷
(
−5
)
x
=
−2
(11)
6
x
＋
2
=
8
x
＋
8
−
x
6
x
−
8
x
＋
x
=
8
−
2
x
=
6
÷
(
−1
)
x
=
−6
(12)
7
x
＋
10
=
−8
x
＋
76
−
7
x
7
x
＋
8
x
＋
7
x
=
76
−
10
x
=
66
÷
22
x
=
3
(13)
−3
x
−
7
=
−9
x
−
7
x
−
111
−3
x
＋
9
x
＋
7
x
=
−
111
＋
7
x
=
−104
÷
13
x
=
−8
(14)
3
x
＋
4
=
−5
x
−
5
x
＋
69
3
x
＋
5
x
＋
5
x
=
69
−
4
x
=
65
÷
13
x
=
5