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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
[0E4-00]
(1)
10
x
−
6
＋
7
x
=
2
x
＋
9
(2)
−1
−
8
x
＋
9
x
=
−7
x
＋
47
(3)
3
x
−
9
=
−5
x
＋
x
−
51
(4)
4
x
−
3
=
−3
x
＋
x
−
15
(5)
10
x
−
7
=
−5
x
＋
43
−
10
x
(6)
−4
＋
8
x
=
6
x
＋
3
x
＋
6
(7)
−6
x
＋
2
x
＋
3
=
−8
x
＋
35
(8)
−4
x
＋
8
＋
10
x
=
−3
x
＋
71
(9)
−2
−
10
x
=
−5
x
−
x
−
26
(10)
2
x
−
x
＋
4
=
−4
x
＋
24
(11)
−5
x
−
1
=
5
x
−
4
x
＋
11
(12)
1
＋
8
x
=
−7
x
＋
5
x
−
89
(13)
−4
x
＋
6
x
−
1
=
−7
x
＋
8
(14)
−7
−
4
x
=
−10
x
＋
5
x
−
15
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
10
x
−
6
＋
7
x
=
2
x
＋
9
10
x
＋
7
x
−
2
x
=
9
＋
6
x
=
15
÷
15
x
=
1
(2)
−1
−
8
x
＋
9
x
=
−7
x
＋
47
−8
x
＋
9
x
＋
7
x
=
47
＋
1
x
=
48
÷
8
x
=
6
(3)
3
x
−
9
=
−5
x
＋
x
−
51
3
x
＋
5
x
−
x
=
−
51
＋
9
x
=
−42
÷
7
x
=
−6
(4)
4
x
−
3
=
−3
x
＋
x
−
15
4
x
＋
3
x
−
x
=
−
15
＋
3
x
=
−12
÷
6
x
=
−2
(5)
10
x
−
7
=
−5
x
＋
43
−
10
x
10
x
＋
5
x
＋
10
x
=
43
＋
7
x
=
50
÷
25
x
=
2
(6)
−4
＋
8
x
=
6
x
＋
3
x
＋
6
8
x
−
6
x
−
3
x
=
6
＋
4
x
=
10
÷
(
−1
)
x
=
−10
(7)
−6
x
＋
2
x
＋
3
=
−8
x
＋
35
−6
x
＋
2
x
＋
8
x
=
35
−
3
x
=
32
÷
4
x
=
8
(8)
−4
x
＋
8
＋
10
x
=
−3
x
＋
71
−4
x
＋
10
x
＋
3
x
=
71
−
8
x
=
63
÷
9
x
=
7
(9)
−2
−
10
x
=
−5
x
−
x
−
26
−10
x
＋
5
x
＋
x
=
−
26
＋
2
x
=
−24
÷
(
−4
)
x
=
6
(10)
2
x
−
x
＋
4
=
−4
x
＋
24
2
x
−
x
＋
4
x
=
24
−
4
x
=
20
÷
5
x
=
4
(11)
−5
x
−
1
=
5
x
−
4
x
＋
11
−5
x
−
5
x
＋
4
x
=
11
＋
1
x
=
12
÷
(
−6
)
x
=
−2
(12)
1
＋
8
x
=
−7
x
＋
5
x
−
89
8
x
＋
7
x
−
5
x
=
−89
−
1
x
=
−90
÷
10
x
=
−9
(13)
−4
x
＋
6
x
−
1
=
−7
x
＋
8
−4
x
＋
6
x
＋
7
x
=
8
＋
1
x
=
9
÷
9
x
=
1
(14)
−7
−
4
x
=
−10
x
＋
5
x
−
15
−4
x
＋
10
x
−
5
x
=
−15
＋
7
x
=
−8
÷
1
x
=
−8