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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
[0E3-00]
(1)
9
x
＋
4
=
−156
−
7
x
(2)
6
＋
x
=
−2
＋
3
x
(3)
3
x
−
7
=
73
−
7
x
(4)
−8
＋
2
x
=
−16
＋
6
x
(5)
7
＋
2
x
=
16
＋
3
x
(6)
−9
＋
5
x
=
6
＋
2
x
(7)
7
＋
7
x
=
−13
−
3
x
(8)
2
x
＋
3
=
−107
−
9
x
(9)
7
x
−
7
=
92
−
4
x
(10)
2
＋
x
=
10
x
−
52
(11)
−8
x
＋
6
=
9
x
−
28
(12)
6
x
＋
9
=
21
＋
4
x
(13)
−7
−
9
x
=
−4
x
−
37
(14)
10
＋
3
x
=
6
x
−
17
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
9
x
＋
4
=
−156
−
7
x
9
x
＋
7
x
=
−156
−
4
x
=
−160
÷
16
x
=
−10
(2)
6
＋
x
=
−2
＋
3
x
x
−
3
x
=
−2
−
6
x
=
−8
÷
(
−2
)
x
=
4
(3)
3
x
−
7
=
73
−
7
x
3
x
＋
7
x
=
73
＋
7
x
=
80
÷
10
x
=
8
(4)
−8
＋
2
x
=
−16
＋
6
x
2
x
−
6
x
=
−16
＋
8
x
=
−8
÷
(
−4
)
x
=
2
(5)
7
＋
2
x
=
16
＋
3
x
2
x
−
3
x
=
16
−
7
x
=
9
÷
(
−1
)
x
=
−9
(6)
−9
＋
5
x
=
6
＋
2
x
5
x
−
2
x
=
6
＋
9
x
=
15
÷
3
x
=
5
(7)
7
＋
7
x
=
−13
−
3
x
7
x
＋
3
x
=
−13
−
7
x
=
−20
÷
10
x
=
−2
(8)
2
x
＋
3
=
−107
−
9
x
2
x
＋
9
x
=
−107
−
3
x
=
−110
÷
11
x
=
−10
(9)
7
x
−
7
=
92
−
4
x
7
x
＋
4
x
=
92
＋
7
x
=
99
÷
11
x
=
9
(10)
2
＋
x
=
10
x
−
52
x
−
10
x
=
−52
−
2
x
=
−54
÷
(
−9
)
x
=
6
(11)
−8
x
＋
6
=
9
x
−
28
−8
x
−
9
x
=
−
28
−
6
x
=
−34
÷
(
−17
)
x
=
2
(12)
6
x
＋
9
=
21
＋
4
x
6
x
−
4
x
=
21
−
9
x
=
12
÷
2
x
=
6
(13)
−7
−
9
x
=
−4
x
−
37
−
9
x
＋
4
x
=
−37
＋
7
x
=
−30
÷
(
−5
)
x
=
6
(14)
10
＋
3
x
=
6
x
−
17
3
x
−
6
x
=
−17
−
10
x
=
−27
÷
(
−3
)
x
=
9