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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)
9
x
＋
10
=
7
x
＋
30
＋
6
x
(2)
−9
＋
5
x
−
2
x
=
−4
x
−
23
(3)
8
＋
2
x
=
5
x
＋
4
x
＋
71
(4)
−10
−
7
x
=
6
x
−
3
x
(5)
−2
x
＋
10
x
−
7
=
3
x
−
57
(6)
−10
＋
4
x
＋
8
x
=
3
x
−
37
(7)
−4
x
＋
8
=
−5
x
＋
3
x
(8)
6
−
10
x
=
−6
x
＋
3
x
＋
62
(9)
−8
x
−
x
＋
5
=
−
x
＋
61
(10)
7
−
5
x
＋
8
x
=
−10
x
−
19
(11)
7
＋
3
x
−
8
x
=
−3
x
＋
25
(12)
−10
＋
4
x
=
−5
x
−
10
x
−
124
(13)
−6
−
6
x
=
−7
x
＋
9
x
−
38
(14)
−8
x
＋
8
=
4
x
＋
9
x
−
181
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
9
x
＋
10
=
7
x
＋
30
＋
6
x
9
x
−
7
x
−
6
x
=
30
−
10
x
=
20
÷
(
−4
)
x
=
−5
(2)
−9
＋
5
x
−
2
x
=
−4
x
−
23
5
x
−
2
x
＋
4
x
=
−23
＋
9
x
=
−14
÷
7
x
=
−2
(3)
8
＋
2
x
=
5
x
＋
4
x
＋
71
2
x
−
5
x
−
4
x
=
71
−
8
x
=
63
÷
(
−7
)
x
=
−9
(4)
−10
−
7
x
=
6
x
−
3
x
−7
x
−
6
x
＋
3
x
=
10
x
=
10
÷
(
−10
)
x
=
−1
(5)
−2
x
＋
10
x
−
7
=
3
x
−
57
−2
x
＋
10
x
−
3
x
=
−
57
＋
7
x
=
−50
÷
5
x
=
−10
(6)
−10
＋
4
x
＋
8
x
=
3
x
−
37
4
x
＋
8
x
−
3
x
=
−37
＋
10
x
=
−27
÷
9
x
=
−3
(7)
−4
x
＋
8
=
−5
x
＋
3
x
−4
x
＋
5
x
−
3
x
=
−
8
x
=
−8
÷
(
−2
)
x
=
4
(8)
6
−
10
x
=
−6
x
＋
3
x
＋
62
−10
x
＋
6
x
−
3
x
=
62
−
6
x
=
56
÷
(
−7
)
x
=
−8
(9)
−8
x
−
x
＋
5
=
−
x
＋
61
−8
x
−
x
＋
x
=
61
−
5
x
=
56
÷
(
−8
)
x
=
−7
(10)
7
−
5
x
＋
8
x
=
−10
x
−
19
−5
x
＋
8
x
＋
10
x
=
−19
−
7
x
=
−26
÷
13
x
=
−2
(11)
7
＋
3
x
−
8
x
=
−3
x
＋
25
3
x
−
8
x
＋
3
x
=
25
−
7
x
=
18
÷
(
−2
)
x
=
−9
(12)
−10
＋
4
x
=
−5
x
−
10
x
−
124
4
x
＋
5
x
＋
10
x
=
−124
＋
10
x
=
−114
÷
19
x
=
−6
(13)
−6
−
6
x
=
−7
x
＋
9
x
−
38
−6
x
＋
7
x
−
9
x
=
−38
＋
6
x
=
−32
÷
(
−8
)
x
=
4
(14)
−8
x
＋
8
=
4
x
＋
9
x
−
181
−8
x
−
4
x
−
9
x
=
−181
−
8
x
=
−189
÷
(
−21
)
x
=
9