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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)
8
x
＋
9
x
＋
1
=
−7
x
−
191
(2)
4
x
−
6
＋
6
x
=
−10
x
−
146
(3)
−7
−
9
x
−
3
x
=
x
＋
19
(4)
−4
x
−
1
=
8
x
＋
132
＋
7
x
(5)
7
x
−
9
＋
6
x
=
−10
x
＋
83
(6)
−3
＋
8
x
＋
4
x
=
−4
x
−
99
(7)
6
x
＋
6
x
＋
7
=
−
x
＋
72
(8)
−3
x
−
9
=
4
x
＋
x
＋
47
(9)
−6
＋
2
x
＋
2
x
=
−10
x
−
90
(10)
2
x
−
x
＋
6
=
2
x
＋
9
(11)
−5
x
＋
9
=
7
x
＋
59
−
7
x
(12)
−4
x
＋
9
＋
8
x
=
−10
x
−
75
(13)
4
x
−
2
=
−9
x
−
x
−
44
(14)
−3
x
＋
4
=
−6
x
＋
3
x
＋
4
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
8
x
＋
9
x
＋
1
=
−7
x
−
191
8
x
＋
9
x
＋
7
x
=
−191
−
1
x
=
−192
÷
24
x
=
−8
(2)
4
x
−
6
＋
6
x
=
−10
x
−
146
4
x
＋
6
x
＋
10
x
=
−146
＋
6
x
=
−140
÷
20
x
=
−7
(3)
−7
−
9
x
−
3
x
=
x
＋
19
−9
x
−
3
x
−
x
=
19
＋
7
x
=
26
÷
(
−13
)
x
=
−2
(4)
−4
x
−
1
=
8
x
＋
132
＋
7
x
−4
x
−
8
x
−
7
x
=
132
＋
1
x
=
133
÷
(
−19
)
x
=
−7
(5)
7
x
−
9
＋
6
x
=
−10
x
＋
83
7
x
＋
6
x
＋
10
x
=
83
＋
9
x
=
92
÷
23
x
=
4
(6)
−3
＋
8
x
＋
4
x
=
−4
x
−
99
8
x
＋
4
x
＋
4
x
=
−99
＋
3
x
=
−96
÷
16
x
=
−6
(7)
6
x
＋
6
x
＋
7
=
−
x
＋
72
6
x
＋
6
x
＋
x
=
72
−
7
x
=
65
÷
13
x
=
5
(8)
−3
x
−
9
=
4
x
＋
x
＋
47
−3
x
−
4
x
−
x
=
47
＋
9
x
=
56
÷
(
−8
)
x
=
−7
(9)
−6
＋
2
x
＋
2
x
=
−10
x
−
90
2
x
＋
2
x
＋
10
x
=
−
90
＋
6
x
=
−84
÷
14
x
=
−6
(10)
2
x
−
x
＋
6
=
2
x
＋
9
2
x
−
x
−
2
x
=
9
−
6
x
=
3
÷
(
−1
)
x
=
−3
(11)
−5
x
＋
9
=
7
x
＋
59
−
7
x
−5
x
−
7
x
＋
7
x
=
59
−
9
x
=
50
÷
(
−5
)
x
=
−10
(12)
−4
x
＋
9
＋
8
x
=
−10
x
−
75
−4
x
＋
8
x
＋
10
x
=
−75
−
9
x
=
−84
÷
14
x
=
−6
(13)
4
x
−
2
=
−9
x
−
x
−
44
4
x
＋
9
x
＋
x
=
−
44
＋
2
x
=
−42
÷
14
x
=
−3
(14)
−3
x
＋
4
=
−6
x
＋
3
x
＋
4
−3
x
＋
6
x
−
3
x
=
4
−
4
x
=
0
÷
0
x
=
NAN