[文字サイズの変更]
▼
▲
©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)
−6
+
5
x
+
4
x
=
−7
x
−
86
(2)
8
x
+
9
+
10
x
=
8
x
−
61
(3)
−2
x
−
x
−
8
=
−8
x
−
48
(4)
−7
x
+
7
=
10
x
−
14
−
10
x
(5)
−
x
−
7
=
−8
x
+
63
−
7
x
(6)
−3
−
5
x
+
4
x
=
5
x
+
15
(7)
−6
−
8
x
−
2
x
=
−7
x
−
21
(8)
−10
+
8
x
+
9
x
=
−5
x
+
210
(9)
−3
x
+
4
x
−
4
=
−2
x
−
19
(10)
−10
x
−
1
=
2
x
+
10
−
x
(11)
−4
x
−
10
=
8
x
+
3
x
+
50
(12)
6
x
−
7
=
8
x
+
8
x
−
17
(13)
5
−
7
x
=
−8
x
−
4
x
+
30
(14)
−4
−
10
x
=
−6
x
−
6
x
+
4
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−6
+
5
x
+
4
x
=
−7
x
−
86
5
x
+
4
x
+
7
x
=
−86
+
6
x
=
−80
÷
16
x
=
−5
(2)
8
x
+
9
+
10
x
=
8
x
−
61
8
x
+
10
x
−
8
x
=
−
61
−
9
x
=
−70
÷
10
x
=
−7
(3)
−2
x
−
x
−
8
=
−8
x
−
48
−2
x
−
x
+
8
x
=
−48
+
8
x
=
−40
÷
5
x
=
−8
(4)
−7
x
+
7
=
10
x
−
14
−
10
x
−7
x
−
10
x
+
10
x
=
−
14
−
7
x
=
−21
÷
(
−7
)
x
=
3
(5)
−
x
−
7
=
−8
x
+
63
−
7
x
−
x
+
8
x
+
7
x
=
63
+
7
x
=
70
÷
14
x
=
5
(6)
−3
−
5
x
+
4
x
=
5
x
+
15
−5
x
+
4
x
−
5
x
=
15
+
3
x
=
18
÷
(
−6
)
x
=
−3
(7)
−6
−
8
x
−
2
x
=
−7
x
−
21
−8
x
−
2
x
+
7
x
=
−21
+
6
x
=
−15
÷
(
−3
)
x
=
5
(8)
−10
+
8
x
+
9
x
=
−5
x
+
210
8
x
+
9
x
+
5
x
=
210
+
10
x
=
220
÷
22
x
=
10
(9)
−3
x
+
4
x
−
4
=
−2
x
−
19
−3
x
+
4
x
+
2
x
=
−19
+
4
x
=
−15
÷
3
x
=
−5
(10)
−10
x
−
1
=
2
x
+
10
−
x
−10
x
−
2
x
+
x
=
10
+
1
x
=
11
÷
(
−11
)
x
=
−1
(11)
−4
x
−
10
=
8
x
+
3
x
+
50
−4
x
−
8
x
−
3
x
=
50
+
10
x
=
60
÷
(
−15
)
x
=
−4
(12)
6
x
−
7
=
8
x
+
8
x
−
17
6
x
−
8
x
−
8
x
=
−17
+
7
x
=
−10
÷
(
−10
)
x
=
1
(13)
5
−
7
x
=
−8
x
−
4
x
+
30
−7
x
+
8
x
+
4
x
=
30
−
5
x
=
25
÷
5
x
=
5
(14)
−4
−
10
x
=
−6
x
−
6
x
+
4
−10
x
+
6
x
+
6
x
=
4
+
4
x
=
8
÷
2
x
=
4