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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)
−3
＋
3
x
−
6
x
=
5
x
＋
77
(2)
10
x
＋
3
x
＋
7
=
3
x
＋
67
(3)
−5
＋
7
x
＋
7
x
=
2
x
−
125
(4)
3
＋
5
x
＋
3
x
=
−9
x
＋
156
(5)
−9
x
＋
2
=
−3
x
＋
74
＋
2
x
(6)
−1
−
9
x
=
2
x
−
9
x
＋
7
(7)
2
x
＋
4
x
＋
4
=
−4
x
＋
24
(8)
−1
−
6
x
=
−
x
−
10
x
−
51
(9)
7
＋
9
x
=
−7
x
＋
6
x
−
53
(10)
7
x
−
10
=
−5
x
−
3
x
＋
80
(11)
5
x
＋
5
=
−
x
−
15
＋
8
x
(12)
−6
x
＋
3
−
3
x
=
8
x
＋
37
(13)
−5
x
＋
6
x
＋
5
=
−9
x
＋
15
(14)
9
x
−
9
=
−
x
−
4
x
−
51
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−3
＋
3
x
−
6
x
=
5
x
＋
77
3
x
−
6
x
−
5
x
=
77
＋
3
x
=
80
÷
(
−8
)
x
=
−10
(2)
10
x
＋
3
x
＋
7
=
3
x
＋
67
10
x
＋
3
x
−
3
x
=
67
−
7
x
=
60
÷
10
x
=
6
(3)
−5
＋
7
x
＋
7
x
=
2
x
−
125
7
x
＋
7
x
−
2
x
=
−125
＋
5
x
=
−120
÷
12
x
=
−10
(4)
3
＋
5
x
＋
3
x
=
−9
x
＋
156
5
x
＋
3
x
＋
9
x
=
156
−
3
x
=
153
÷
17
x
=
9
(5)
−9
x
＋
2
=
−3
x
＋
74
＋
2
x
−9
x
＋
3
x
−
2
x
=
74
−
2
x
=
72
÷
(
−8
)
x
=
−9
(6)
−1
−
9
x
=
2
x
−
9
x
＋
7
−9
x
−
2
x
＋
9
x
=
7
＋
1
x
=
8
÷
(
−2
)
x
=
−4
(7)
2
x
＋
4
x
＋
4
=
−4
x
＋
24
2
x
＋
4
x
＋
4
x
=
24
−
4
x
=
20
÷
10
x
=
2
(8)
−1
−
6
x
=
−
x
−
10
x
−
51
−6
x
＋
x
＋
10
x
=
−51
＋
1
x
=
−50
÷
5
x
=
−10
(9)
7
＋
9
x
=
−7
x
＋
6
x
−
53
9
x
＋
7
x
−
6
x
=
−53
−
7
x
=
−60
÷
10
x
=
−6
(10)
7
x
−
10
=
−5
x
−
3
x
＋
80
7
x
＋
5
x
＋
3
x
=
80
＋
10
x
=
90
÷
15
x
=
6
(11)
5
x
＋
5
=
−
x
−
15
＋
8
x
5
x
＋
x
−
8
x
=
−15
−
5
x
=
−20
÷
(
−2
)
x
=
10
(12)
−6
x
＋
3
−
3
x
=
8
x
＋
37
−6
x
−
3
x
−
8
x
=
37
−
3
x
=
34
÷
(
−17
)
x
=
−2
(13)
−5
x
＋
6
x
＋
5
=
−9
x
＋
15
−5
x
＋
6
x
＋
9
x
=
15
−
5
x
=
10
÷
10
x
=
1
(14)
9
x
−
9
=
−
x
−
4
x
−
51
9
x
＋
x
＋
4
x
=
−51
＋
9
x
=
−42
÷
14
x
=
−3