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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)
−5
＋
3
x
=
5
x
＋
3
(2)
6
−
5
x
=
−3
x
＋
14
(3)
−7
x
−
5
=
165
＋
10
x
(4)
9
＋
3
x
=
−8
x
＋
42
(5)
−7
＋
2
x
=
8
x
＋
17
(6)
10
−
10
x
=
−7
x
＋
31
(7)
−4
x
−
10
=
−28
−
2
x
(8)
−9
x
−
9
=
6
x
−
54
(9)
−7
−
9
x
=
−49
＋
5
x
(10)
−2
−
5
x
=
−6
x
−
8
(11)
8
＋
5
x
=
2
x
−
10
(12)
−8
−
2
x
=
32
＋
8
x
(13)
−2
x
＋
7
=
−5
x
＋
25
(14)
1
＋
5
x
=
82
−
4
x
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−5
＋
3
x
=
5
x
＋
3
3
x
−
5
x
=
3
＋
5
x
=
8
÷
(
−2
)
x
=
−4
(2)
6
−
5
x
=
−3
x
＋
14
−
5
x
＋
3
x
=
14
−
6
x
=
8
÷
(
−2
)
x
=
−4
(3)
−7
x
−
5
=
165
＋
10
x
−7
x
−
10
x
=
165
＋
5
x
=
170
÷
(
−17
)
x
=
−10
(4)
9
＋
3
x
=
−8
x
＋
42
3
x
＋
8
x
=
42
−
9
x
=
33
÷
11
x
=
3
(5)
−7
＋
2
x
=
8
x
＋
17
2
x
−
8
x
=
17
＋
7
x
=
24
÷
(
−6
)
x
=
−4
(6)
10
−
10
x
=
−7
x
＋
31
−10
x
＋
7
x
=
31
−
10
x
=
21
÷
(
−3
)
x
=
−7
(7)
−4
x
−
10
=
−28
−
2
x
−4
x
＋
2
x
=
−28
＋
10
x
=
−18
÷
(
−2
)
x
=
9
(8)
−9
x
−
9
=
6
x
−
54
−9
x
−
6
x
=
−
54
＋
9
x
=
−45
÷
(
−15
)
x
=
3
(9)
−7
−
9
x
=
−49
＋
5
x
−9
x
−
5
x
=
−49
＋
7
x
=
−42
÷
(
−14
)
x
=
3
(10)
−2
−
5
x
=
−6
x
−
8
−5
x
＋
6
x
=
−8
＋
2
x
=
−6
÷
1
x
=
−6
(11)
8
＋
5
x
=
2
x
−
10
5
x
−
2
x
=
−10
−
8
x
=
−18
÷
3
x
=
−6
(12)
−8
−
2
x
=
32
＋
8
x
−
2
x
−
8
x
=
32
＋
8
x
=
40
÷
(
−10
)
x
=
−4
(13)
−2
x
＋
7
=
−5
x
＋
25
−2
x
＋
5
x
=
25
−
7
x
=
18
÷
3
x
=
6
(14)
1
＋
5
x
=
82
−
4
x
5
x
＋
4
x
=
82
−
1
x
=
81
÷
9
x
=
9