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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)
−
x
+
9
=
10
x
−
101
(2)
−9
+
3
x
=
−35
−
10
x
(3)
−1
−
8
x
=
−7
x
+
9
(4)
3
−
10
x
=
−116
+
7
x
(5)
4
+
9
x
=
−9
x
+
40
(6)
5
−
8
x
=
−12
+
9
x
(7)
−7
x
+
6
=
−4
x
+
21
(8)
−4
+
x
=
−9
−
4
x
(9)
−10
x
−
4
=
−7
x
−
7
(10)
7
x
−
3
=
−10
x
−
37
(11)
−9
x
+
1
=
51
−
4
x
(12)
6
x
+
1
=
9
x
+
28
(13)
2
+
9
x
=
−10
x
−
74
(14)
−4
x
+
10
=
3
−
3
x
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−
x
+
9
=
10
x
−
101
−
x
−
10
x
=
−101
−
9
x
=
−110
÷
(
−11
)
x
=
10
(2)
−9
+
3
x
=
−35
−
10
x
3
x
+
10
x
=
−35
+
9
x
=
−26
÷
13
x
=
−2
(3)
−1
−
8
x
=
−7
x
+
9
−
8
x
+
7
x
=
9
+
1
x
=
10
÷
(
−1
)
x
=
−10
(4)
3
−
10
x
=
−116
+
7
x
−10
x
−
7
x
=
−116
−
3
x
=
−119
÷
(
−17
)
x
=
7
(5)
4
+
9
x
=
−9
x
+
40
9
x
+
9
x
=
40
−
4
x
=
36
÷
18
x
=
2
(6)
5
−
8
x
=
−12
+
9
x
−
8
x
−
9
x
=
−12
−
5
x
=
−17
÷
(
−17
)
x
=
1
(7)
−7
x
+
6
=
−4
x
+
21
−7
x
+
4
x
=
21
−
6
x
=
15
÷
(
−3
)
x
=
−5
(8)
−4
+
x
=
−9
−
4
x
x
+
4
x
=
−9
+
4
x
=
−5
÷
5
x
=
−1
(9)
−10
x
−
4
=
−7
x
−
7
−10
x
+
7
x
=
−7
+
4
x
=
−3
÷
(
−3
)
x
=
1
(10)
7
x
−
3
=
−10
x
−
37
7
x
+
10
x
=
−
37
+
3
x
=
−34
÷
17
x
=
−2
(11)
−9
x
+
1
=
51
−
4
x
−9
x
+
4
x
=
51
−
1
x
=
50
÷
(
−5
)
x
=
−10
(12)
6
x
+
1
=
9
x
+
28
6
x
−
9
x
=
28
−
1
x
=
27
÷
(
−3
)
x
=
−9
(13)
2
+
9
x
=
−10
x
−
74
9
x
+
10
x
=
−74
−
2
x
=
−76
÷
19
x
=
−4
(14)
−4
x
+
10
=
3
−
3
x
−4
x
+
3
x
=
3
−
10
x
=
−7
÷
(
−1
)
x
=
7