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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)
9
x
+
8
=
10
x
+
7
x
+
64
(2)
−10
+
5
x
=
−8
x
+
8
x
+
15
(3)
−7
x
−
5
=
−8
x
+
28
−
10
x
(4)
−2
x
−
3
=
3
x
+
13
−
3
x
(5)
−2
x
+
5
+
x
=
−2
x
+
10
(6)
−10
x
+
8
=
−
x
−
x
−
48
(7)
1
+
7
x
=
5
x
+
4
x
−
15
(8)
7
x
+
4
=
−10
x
+
43
+
4
x
(9)
6
x
−
x
+
3
=
−5
x
−
27
(10)
−9
x
+
10
x
−
7
=
−6
x
+
49
(11)
−10
x
+
10
=
−6
x
+
8
x
−
98
(12)
−10
x
−
10
=
−5
x
−
50
+
3
x
(13)
−3
+
3
x
+
4
x
=
−7
x
−
115
(14)
8
−
3
x
−
5
x
=
9
x
−
145
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
9
x
+
8
=
10
x
+
7
x
+
64
9
x
−
10
x
−
7
x
=
64
−
8
x
=
56
÷
(
−8
)
x
=
−7
(2)
−10
+
5
x
=
−8
x
+
8
x
+
15
5
x
+
8
x
−
8
x
=
15
+
10
x
=
25
÷
5
x
=
5
(3)
−7
x
−
5
=
−8
x
+
28
−
10
x
−7
x
+
8
x
+
10
x
=
28
+
5
x
=
33
÷
11
x
=
3
(4)
−2
x
−
3
=
3
x
+
13
−
3
x
−2
x
−
3
x
+
3
x
=
13
+
3
x
=
16
÷
(
−2
)
x
=
−8
(5)
−2
x
+
5
+
x
=
−2
x
+
10
−2
x
+
x
+
2
x
=
10
−
5
x
=
5
÷
1
x
=
5
(6)
−10
x
+
8
=
−
x
−
x
−
48
−10
x
+
x
+
x
=
−48
−
8
x
=
−56
÷
(
−8
)
x
=
7
(7)
1
+
7
x
=
5
x
+
4
x
−
15
7
x
−
5
x
−
4
x
=
−
15
−
1
x
=
−16
÷
(
−2
)
x
=
8
(8)
7
x
+
4
=
−10
x
+
43
+
4
x
7
x
+
10
x
−
4
x
=
43
−
4
x
=
39
÷
13
x
=
3
(9)
6
x
−
x
+
3
=
−5
x
−
27
6
x
−
x
+
5
x
=
−
27
−
3
x
=
−30
÷
10
x
=
−3
(10)
−9
x
+
10
x
−
7
=
−6
x
+
49
−9
x
+
10
x
+
6
x
=
49
+
7
x
=
56
÷
7
x
=
8
(11)
−10
x
+
10
=
−6
x
+
8
x
−
98
−10
x
+
6
x
−
8
x
=
−98
−
10
x
=
−108
÷
(
−12
)
x
=
9
(12)
−10
x
−
10
=
−5
x
−
50
+
3
x
−10
x
+
5
x
−
3
x
=
−50
+
10
x
=
−40
÷
(
−8
)
x
=
5
(13)
−3
+
3
x
+
4
x
=
−7
x
−
115
3
x
+
4
x
+
7
x
=
−115
+
3
x
=
−112
÷
14
x
=
−8
(14)
8
−
3
x
−
5
x
=
9
x
−
145
−3
x
−
5
x
−
9
x
=
−
145
−
8
x
=
−153
÷
(
−17
)
x
=
9