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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
+
10
=
x
−
3
x
+
50
(2)
−10
x
−
7
=
−2
x
+
2
x
+
83
(3)
−9
−
8
x
=
10
x
−
8
x
−
79
(4)
−6
x
−
1
=
−3
x
+
10
x
−
14
(5)
−1
+
3
x
=
5
x
+
3
x
+
34
(6)
−7
−
x
+
6
x
=
−8
x
−
20
(7)
−9
x
+
7
=
7
x
+
3
x
−
31
(8)
−9
x
−
6
=
−4
x
+
5
x
−
106
(9)
5
+
6
x
=
3
x
−
x
−
31
(10)
8
+
2
x
+
10
x
=
8
x
(11)
2
+
6
x
=
−4
x
+
x
+
65
(12)
−7
−
8
x
+
7
x
=
7
x
+
1
(13)
10
x
+
6
=
6
x
+
10
x
+
36
(14)
−7
x
−
5
=
7
x
+
2
x
+
43
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−10
x
+
10
=
x
−
3
x
+
50
−10
x
−
x
+
3
x
=
50
−
10
x
=
40
÷
(
−8
)
x
=
−5
(2)
−10
x
−
7
=
−2
x
+
2
x
+
83
−10
x
+
2
x
−
2
x
=
83
+
7
x
=
90
÷
(
−10
)
x
=
−9
(3)
−9
−
8
x
=
10
x
−
8
x
−
79
−8
x
−
10
x
+
8
x
=
−
79
+
9
x
=
−70
÷
(
−10
)
x
=
7
(4)
−6
x
−
1
=
−3
x
+
10
x
−
14
−6
x
+
3
x
−
10
x
=
−14
+
1
x
=
−13
÷
(
−13
)
x
=
1
(5)
−1
+
3
x
=
5
x
+
3
x
+
34
3
x
−
5
x
−
3
x
=
34
+
1
x
=
35
÷
(
−5
)
x
=
−7
(6)
−7
−
x
+
6
x
=
−8
x
−
20
−
x
+
6
x
+
8
x
=
−
20
+
7
x
=
−13
÷
13
x
=
−1
(7)
−9
x
+
7
=
7
x
+
3
x
−
31
−9
x
−
7
x
−
3
x
=
−31
−
7
x
=
−38
÷
(
−19
)
x
=
2
(8)
−9
x
−
6
=
−4
x
+
5
x
−
106
−9
x
+
4
x
−
5
x
=
−106
+
6
x
=
−100
÷
(
−10
)
x
=
10
(9)
5
+
6
x
=
3
x
−
x
−
31
6
x
−
3
x
+
x
=
−
31
−
5
x
=
−36
÷
4
x
=
−9
(10)
8
+
2
x
+
10
x
=
8
x
2
x
+
10
x
−
8
x
=
−
8
x
=
−8
÷
4
x
=
−2
(11)
2
+
6
x
=
−4
x
+
x
+
65
6
x
+
4
x
−
x
=
65
−
2
x
=
63
÷
9
x
=
7
(12)
−7
−
8
x
+
7
x
=
7
x
+
1
−8
x
+
7
x
−
7
x
=
1
+
7
x
=
8
÷
(
−8
)
x
=
−1
(13)
10
x
+
6
=
6
x
+
10
x
+
36
10
x
−
6
x
−
10
x
=
36
−
6
x
=
30
÷
(
−6
)
x
=
−5
(14)
−7
x
−
5
=
7
x
+
2
x
+
43
−7
x
−
7
x
−
2
x
=
43
+
5
x
=
48
÷
(
−16
)
x
=
−3