［文字サイズの変更］
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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
x
＋
1
=
7
x
−
75
＋
9
x
(2)
−5
＋
6
x
=
4
x
−
5
x
＋
44
(3)
9
x
−
3
=
−6
x
＋
57
＋
5
x
(4)
−3
x
＋
5
x
＋
2
=
−9
x
−
53
(5)
8
＋
5
x
＋
8
x
=
3
x
＋
28
(6)
−6
x
＋
7
=
5
x
−
9
x
＋
5
(7)
5
x
−
1
＋
7
x
=
−10
x
−
177
(8)
3
x
−
8
−
3
x
=
−9
x
＋
1
(9)
7
x
−
7
=
−8
x
＋
3
x
＋
5
(10)
−8
＋
8
x
＋
9
x
=
−6
x
−
192
(11)
8
＋
4
x
=
8
x
−
2
x
＋
14
(12)
3
x
−
9
x
＋
10
=
−5
x
＋
18
(13)
−8
−
3
x
−
6
x
=
8
x
−
110
(14)
−8
−
4
x
=
−4
x
−
6
x
＋
16
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−3
x
＋
1
=
7
x
−
75
＋
9
x
−3
x
−
7
x
−
9
x
=
−
75
−
1
x
=
−76
÷
(
−19
)
x
=
4
(2)
−5
＋
6
x
=
4
x
−
5
x
＋
44
6
x
−
4
x
＋
5
x
=
44
＋
5
x
=
49
÷
7
x
=
7
(3)
9
x
−
3
=
−6
x
＋
57
＋
5
x
9
x
＋
6
x
−
5
x
=
57
＋
3
x
=
60
÷
10
x
=
6
(4)
−3
x
＋
5
x
＋
2
=
−9
x
−
53
−3
x
＋
5
x
＋
9
x
=
−
53
−
2
x
=
−55
÷
11
x
=
−5
(5)
8
＋
5
x
＋
8
x
=
3
x
＋
28
5
x
＋
8
x
−
3
x
=
28
−
8
x
=
20
÷
10
x
=
2
(6)
−6
x
＋
7
=
5
x
−
9
x
＋
5
−6
x
−
5
x
＋
9
x
=
5
−
7
x
=
−2
÷
(
−2
)
x
=
1
(7)
5
x
−
1
＋
7
x
=
−10
x
−
177
5
x
＋
7
x
＋
10
x
=
−177
＋
1
x
=
−176
÷
22
x
=
−8
(8)
3
x
−
8
−
3
x
=
−9
x
＋
1
3
x
−
3
x
＋
9
x
=
1
＋
8
x
=
9
÷
9
x
=
1
(9)
7
x
−
7
=
−8
x
＋
3
x
＋
5
7
x
＋
8
x
−
3
x
=
5
＋
7
x
=
12
÷
12
x
=
1
(10)
−8
＋
8
x
＋
9
x
=
−6
x
−
192
8
x
＋
9
x
＋
6
x
=
−
192
＋
8
x
=
−184
÷
23
x
=
−8
(11)
8
＋
4
x
=
8
x
−
2
x
＋
14
4
x
−
8
x
＋
2
x
=
14
−
8
x
=
6
÷
(
−2
)
x
=
−3
(12)
3
x
−
9
x
＋
10
=
−5
x
＋
18
3
x
−
9
x
＋
5
x
=
18
−
10
x
=
8
÷
(
−1
)
x
=
−8
(13)
−8
−
3
x
−
6
x
=
8
x
−
110
−3
x
−
6
x
−
8
x
=
−
110
＋
8
x
=
−102
÷
(
−17
)
x
=
6
(14)
−8
−
4
x
=
−4
x
−
6
x
＋
16
−4
x
＋
4
x
＋
6
x
=
16
＋
8
x
=
24
÷
6
x
=
4