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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[0E3-00]
(1)
−8
x
＋
9
=
−7
x
＋
1
(2)
−9
＋
5
x
=
−1
＋
7
x
(3)
−4
x
＋
4
=
x
−
26
(4)
10
x
＋
2
=
121
−
7
x
(5)
9
−
9
x
=
−
8
x
(6)
8
x
＋
9
=
−9
＋
5
x
(7)
−4
−
6
x
=
−5
x
−
10
(8)
1
＋
10
x
=
−44
＋
x
(9)
10
＋
4
x
=
8
x
＋
46
(10)
−8
−
8
x
=
5
x
＋
31
(11)
−2
＋
2
x
=
−7
x
＋
88
(12)
−7
x
＋
1
=
4
x
＋
111
(13)
−5
−
3
x
=
−85
＋
7
x
(14)
−4
x
−
2
=
−56
＋
5
x
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−8
x
＋
9
=
−7
x
＋
1
−8
x
＋
7
x
=
1
−
9
x
=
−8
÷
(
−1
)
x
=
8
(2)
−9
＋
5
x
=
−1
＋
7
x
5
x
−
7
x
=
−1
＋
9
x
=
8
÷
(
−2
)
x
=
−4
(3)
−4
x
＋
4
=
x
−
26
−4
x
−
x
=
−26
−
4
x
=
−30
÷
(
−5
)
x
=
6
(4)
10
x
＋
2
=
121
−
7
x
10
x
＋
7
x
=
121
−
2
x
=
119
÷
17
x
=
7
(5)
9
−
9
x
=
−
8
x
−
9
x
＋
8
x
=
−
9
x
=
−9
÷
(
−1
)
x
=
9
(6)
8
x
＋
9
=
−9
＋
5
x
8
x
−
5
x
=
−9
−
9
x
=
−18
÷
3
x
=
−6
(7)
−4
−
6
x
=
−5
x
−
10
−
6
x
＋
5
x
=
−10
＋
4
x
=
−6
÷
(
−1
)
x
=
6
(8)
1
＋
10
x
=
−44
＋
x
10
x
−
x
=
−44
−
1
x
=
−45
÷
9
x
=
−5
(9)
10
＋
4
x
=
8
x
＋
46
4
x
−
8
x
=
46
−
10
x
=
36
÷
(
−4
)
x
=
−9
(10)
−8
−
8
x
=
5
x
＋
31
−8
x
−
5
x
=
31
＋
8
x
=
39
÷
(
−13
)
x
=
−3
(11)
−2
＋
2
x
=
−7
x
＋
88
2
x
＋
7
x
=
88
＋
2
x
=
90
÷
9
x
=
10
(12)
−7
x
＋
1
=
4
x
＋
111
−7
x
−
4
x
=
111
−
1
x
=
110
÷
(
−11
)
x
=
−10
(13)
−5
−
3
x
=
−85
＋
7
x
−
3
x
−
7
x
=
−85
＋
5
x
=
−80
÷
(
−10
)
x
=
8
(14)
−4
x
−
2
=
−56
＋
5
x
−4
x
−
5
x
=
−56
＋
2
x
=
−54
÷
(
−9
)
x
=
6