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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)
10
x
−
3
+
5
x
=
3
x
+
9
(2)
6
x
−
2
=
−8
x
+
214
−
10
x
(3)
−9
x
+
6
+
10
x
=
−2
x
−
18
(4)
−6
x
+
8
=
−8
x
+
104
−
10
x
(5)
−4
x
−
3
=
7
x
−
5
x
+
21
(6)
8
x
+
3
=
−
x
+
3
+
9
x
(7)
2
−
7
x
=
8
x
+
5
x
−
38
(8)
−2
+
3
x
=
10
x
+
2
x
+
43
(9)
6
x
−
8
=
−6
x
−
3
x
+
52
(10)
3
x
+
3
x
−
1
=
−2
x
−
57
(11)
3
−
x
−
7
x
=
−7
x
+
2
(12)
−2
x
−
4
x
+
6
=
−2
x
+
10
(13)
−10
x
+
5
=
−4
x
−
2
x
−
27
(14)
10
+
5
x
−
x
=
−
x
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
10
x
−
3
+
5
x
=
3
x
+
9
10
x
+
5
x
−
3
x
=
9
+
3
x
=
12
÷
12
x
=
1
(2)
6
x
−
2
=
−8
x
+
214
−
10
x
6
x
+
8
x
+
10
x
=
214
+
2
x
=
216
÷
24
x
=
9
(3)
−9
x
+
6
+
10
x
=
−2
x
−
18
−9
x
+
10
x
+
2
x
=
−18
−
6
x
=
−24
÷
3
x
=
−8
(4)
−6
x
+
8
=
−8
x
+
104
−
10
x
−6
x
+
8
x
+
10
x
=
104
−
8
x
=
96
÷
12
x
=
8
(5)
−4
x
−
3
=
7
x
−
5
x
+
21
−4
x
−
7
x
+
5
x
=
21
+
3
x
=
24
÷
(
−6
)
x
=
−4
(6)
8
x
+
3
=
−
x
+
3
+
9
x
8
x
+
x
−
9
x
=
3
−
3
x
=
0
÷
0
x
=
NAN
(7)
2
−
7
x
=
8
x
+
5
x
−
38
−7
x
−
8
x
−
5
x
=
−38
−
2
x
=
−40
÷
(
−20
)
x
=
2
(8)
−2
+
3
x
=
10
x
+
2
x
+
43
3
x
−
10
x
−
2
x
=
43
+
2
x
=
45
÷
(
−9
)
x
=
−5
(9)
6
x
−
8
=
−6
x
−
3
x
+
52
6
x
+
6
x
+
3
x
=
52
+
8
x
=
60
÷
15
x
=
4
(10)
3
x
+
3
x
−
1
=
−2
x
−
57
3
x
+
3
x
+
2
x
=
−57
+
1
x
=
−56
÷
8
x
=
−7
(11)
3
−
x
−
7
x
=
−7
x
+
2
−
x
−
7
x
+
7
x
=
2
−
3
x
=
−1
÷
(
−1
)
x
=
1
(12)
−2
x
−
4
x
+
6
=
−2
x
+
10
−2
x
−
4
x
+
2
x
=
10
−
6
x
=
4
÷
(
−4
)
x
=
−1
(13)
−10
x
+
5
=
−4
x
−
2
x
−
27
−10
x
+
4
x
+
2
x
=
−27
−
5
x
=
−32
÷
(
−4
)
x
=
8
(14)
10
+
5
x
−
x
=
−
x
5
x
−
x
+
x
=
−
10
x
=
−10
÷
5
x
=
−2