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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
[0E4-00]
(1)
−7
x
+
9
−
4
x
=
10
x
−
33
(2)
−4
x
+
5
=
2
x
+
9
−
5
x
(3)
−6
x
+
6
=
8
x
+
69
−
5
x
(4)
−10
x
−
2
=
x
+
70
+
x
(5)
−9
+
6
x
+
3
x
=
−2
x
+
24
(6)
−9
x
−
3
x
+
6
=
x
−
59
(7)
3
x
+
6
=
−3
x
+
7
x
−
4
(8)
−4
x
+
3
x
−
9
=
5
x
+
21
(9)
8
x
+
8
=
−6
x
−
4
x
−
64
(10)
6
x
−
3
=
−8
x
−
27
+
10
x
(11)
−2
x
+
3
=
2
x
+
5
x
−
15
(12)
4
+
6
x
=
3
x
+
4
x
(13)
8
+
6
x
−
3
x
=
5
x
+
10
(14)
−1
−
4
x
+
9
x
=
−4
x
+
44
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−7
x
+
9
−
4
x
=
10
x
−
33
−7
x
−
4
x
−
10
x
=
−33
−
9
x
=
−42
÷
(
−21
)
x
=
2
(2)
−4
x
+
5
=
2
x
+
9
−
5
x
−4
x
−
2
x
+
5
x
=
9
−
5
x
=
4
÷
(
−1
)
x
=
−4
(3)
−6
x
+
6
=
8
x
+
69
−
5
x
−6
x
−
8
x
+
5
x
=
69
−
6
x
=
63
÷
(
−9
)
x
=
−7
(4)
−10
x
−
2
=
x
+
70
+
x
−10
x
−
x
−
x
=
70
+
2
x
=
72
÷
(
−12
)
x
=
−6
(5)
−9
+
6
x
+
3
x
=
−2
x
+
24
6
x
+
3
x
+
2
x
=
24
+
9
x
=
33
÷
11
x
=
3
(6)
−9
x
−
3
x
+
6
=
x
−
59
−9
x
−
3
x
−
x
=
−59
−
6
x
=
−65
÷
(
−13
)
x
=
5
(7)
3
x
+
6
=
−3
x
+
7
x
−
4
3
x
+
3
x
−
7
x
=
−
4
−
6
x
=
−10
÷
(
−1
)
x
=
10
(8)
−4
x
+
3
x
−
9
=
5
x
+
21
−4
x
+
3
x
−
5
x
=
21
+
9
x
=
30
÷
(
−6
)
x
=
−5
(9)
8
x
+
8
=
−6
x
−
4
x
−
64
8
x
+
6
x
+
4
x
=
−64
−
8
x
=
−72
÷
18
x
=
−4
(10)
6
x
−
3
=
−8
x
−
27
+
10
x
6
x
+
8
x
−
10
x
=
−
27
+
3
x
=
−24
÷
4
x
=
−6
(11)
−2
x
+
3
=
2
x
+
5
x
−
15
−2
x
−
2
x
−
5
x
=
−
15
−
3
x
=
−18
÷
(
−9
)
x
=
2
(12)
4
+
6
x
=
3
x
+
4
x
6
x
−
3
x
−
4
x
=
−
4
x
=
−4
÷
(
−1
)
x
=
4
(13)
8
+
6
x
−
3
x
=
5
x
+
10
6
x
−
3
x
−
5
x
=
10
−
8
x
=
2
÷
(
−2
)
x
=
−1
(14)
−1
−
4
x
+
9
x
=
−4
x
+
44
−4
x
+
9
x
+
4
x
=
44
+
1
x
=
45
÷
9
x
=
5