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©2024 数学クラブ http://sugaku.club/
月 日( )
● 次の方程式を解きなさい
[0E3-00]
(1)
7
−
9
x
=
−65
+
9
x
(2)
−10
−
3
x
=
x
−
30
(3)
3
x
+
1
=
36
+
8
x
(4)
−6
x
+
6
=
11
−
x
(5)
−7
+
6
x
=
48
−
5
x
(6)
−10
x
−
8
=
−120
+
4
x
(7)
9
x
+
8
=
2
+
10
x
(8)
−8
−
5
x
=
−8
x
+
1
(9)
7
+
9
x
=
42
+
4
x
(10)
4
x
+
2
=
−6
+
2
x
(11)
−8
x
−
7
=
41
+
8
x
(12)
−4
x
+
1
=
−
x
−
20
(13)
4
x
−
1
=
−3
x
+
62
(14)
9
x
−
7
=
14
+
6
x
©2024 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
7
−
9
x
=
−65
+
9
x
−
9
x
−
9
x
=
−65
−
7
x
=
−72
÷
(
−18
)
x
=
4
(2)
−10
−
3
x
=
x
−
30
−3
x
−
x
=
−
30
+
10
x
=
−20
÷
(
−4
)
x
=
5
(3)
3
x
+
1
=
36
+
8
x
3
x
−
8
x
=
36
−
1
x
=
35
÷
(
−5
)
x
=
−7
(4)
−6
x
+
6
=
11
−
x
−6
x
+
x
=
11
−
6
x
=
5
÷
(
−5
)
x
=
−1
(5)
−7
+
6
x
=
48
−
5
x
6
x
+
5
x
=
48
+
7
x
=
55
÷
11
x
=
5
(6)
−10
x
−
8
=
−120
+
4
x
−10
x
−
4
x
=
−120
+
8
x
=
−112
÷
(
−14
)
x
=
8
(7)
9
x
+
8
=
2
+
10
x
9
x
−
10
x
=
2
−
8
x
=
−6
÷
(
−1
)
x
=
6
(8)
−8
−
5
x
=
−8
x
+
1
−
5
x
+
8
x
=
1
+
8
x
=
9
÷
3
x
=
3
(9)
7
+
9
x
=
42
+
4
x
9
x
−
4
x
=
42
−
7
x
=
35
÷
5
x
=
7
(10)
4
x
+
2
=
−6
+
2
x
4
x
−
2
x
=
−6
−
2
x
=
−8
÷
2
x
=
−4
(11)
−8
x
−
7
=
41
+
8
x
−8
x
−
8
x
=
41
+
7
x
=
48
÷
(
−16
)
x
=
−3
(12)
−4
x
+
1
=
−
x
−
20
−4
x
+
x
=
−
20
−
1
x
=
−21
÷
(
−3
)
x
=
7
(13)
4
x
−
1
=
−3
x
+
62
4
x
+
3
x
=
62
+
1
x
=
63
÷
7
x
=
9
(14)
9
x
−
7
=
14
+
6
x
9
x
−
6
x
=
14
+
7
x
=
21
÷
3
x
=
7