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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
[0E3-00]
(1)
−10
+
10
x
=
x
−
1
(2)
−6
−
2
x
=
18
−
10
x
(3)
10
−
6
x
=
5
x
−
100
(4)
−6
−
x
=
−6
x
+
44
(5)
−3
+
5
x
=
−111
−
7
x
(6)
−4
−
7
x
=
50
+
2
x
(7)
3
−
7
x
=
6
x
+
81
(8)
4
−
6
x
=
85
+
3
x
(9)
−7
x
−
7
=
−42
−
2
x
(10)
−10
x
+
4
=
−3
−
3
x
(11)
−5
x
+
5
=
−
x
+
37
(12)
−2
+
6
x
=
−
x
−
72
(13)
−
x
+
6
=
−3
x
+
26
(14)
3
x
−
1
=
−37
+
7
x
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−10
+
10
x
=
x
−
1
10
x
−
x
=
−1
+
10
x
=
9
÷
9
x
=
1
(2)
−6
−
2
x
=
18
−
10
x
−
2
x
+
10
x
=
18
+
6
x
=
24
÷
8
x
=
3
(3)
10
−
6
x
=
5
x
−
100
−
6
x
−
5
x
=
−100
−
10
x
=
−110
÷
(
−11
)
x
=
10
(4)
−6
−
x
=
−6
x
+
44
−
x
+
6
x
=
44
+
6
x
=
50
÷
5
x
=
10
(5)
−3
+
5
x
=
−111
−
7
x
5
x
+
7
x
=
−111
+
3
x
=
−108
÷
12
x
=
−9
(6)
−4
−
7
x
=
50
+
2
x
−
7
x
−
2
x
=
50
+
4
x
=
54
÷
(
−9
)
x
=
−6
(7)
3
−
7
x
=
6
x
+
81
−
7
x
−
6
x
=
81
−
3
x
=
78
÷
(
−13
)
x
=
−6
(8)
4
−
6
x
=
85
+
3
x
−
6
x
−
3
x
=
85
−
4
x
=
81
÷
(
−9
)
x
=
−9
(9)
−7
x
−
7
=
−42
−
2
x
−7
x
+
2
x
=
−42
+
7
x
=
−35
÷
(
−5
)
x
=
7
(10)
−10
x
+
4
=
−3
−
3
x
−10
x
+
3
x
=
−3
−
4
x
=
−7
÷
(
−7
)
x
=
1
(11)
−5
x
+
5
=
−
x
+
37
−5
x
+
x
=
37
−
5
x
=
32
÷
(
−4
)
x
=
−8
(12)
−2
+
6
x
=
−
x
−
72
6
x
+
x
=
−72
+
2
x
=
−70
÷
7
x
=
−10
(13)
−
x
+
6
=
−3
x
+
26
−
x
+
3
x
=
26
−
6
x
=
20
÷
2
x
=
10
(14)
3
x
−
1
=
−37
+
7
x
3
x
−
7
x
=
−37
+
1
x
=
−36
÷
(
−4
)
x
=
9