[文字サイズの変更]
▼
▲
©2025 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
+
7
x
=
−
x
−
x
+
9
(2)
3
x
+
2
−
x
=
6
x
+
30
(3)
−2
x
+
2
=
x
+
26
+
x
(4)
−10
−
3
x
=
6
x
+
9
x
+
8
(5)
5
x
+
8
+
6
x
=
−5
x
+
72
(6)
−3
x
+
8
+
5
x
=
−8
x
+
98
(7)
−3
+
7
x
=
−6
x
−
7
x
−
103
(8)
−10
x
−
8
x
+
1
=
7
x
−
24
(9)
−3
−
7
x
+
7
x
=
−3
x
−
21
(10)
2
x
−
4
=
3
x
+
6
x
+
10
(11)
8
x
−
7
+
5
x
=
7
x
+
35
(12)
−8
x
−
7
x
−
6
=
4
x
−
177
(13)
9
x
−
1
+
10
x
=
8
x
+
32
(14)
5
−
8
x
=
4
x
−
6
x
+
23
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−9
+
7
x
=
−
x
−
x
+
9
7
x
+
x
+
x
=
9
+
9
x
=
18
÷
9
x
=
2
(2)
3
x
+
2
−
x
=
6
x
+
30
3
x
−
x
−
6
x
=
30
−
2
x
=
28
÷
(
−4
)
x
=
−7
(3)
−2
x
+
2
=
x
+
26
+
x
−2
x
−
x
−
x
=
26
−
2
x
=
24
÷
(
−4
)
x
=
−6
(4)
−10
−
3
x
=
6
x
+
9
x
+
8
−3
x
−
6
x
−
9
x
=
8
+
10
x
=
18
÷
(
−18
)
x
=
−1
(5)
5
x
+
8
+
6
x
=
−5
x
+
72
5
x
+
6
x
+
5
x
=
72
−
8
x
=
64
÷
16
x
=
4
(6)
−3
x
+
8
+
5
x
=
−8
x
+
98
−3
x
+
5
x
+
8
x
=
98
−
8
x
=
90
÷
10
x
=
9
(7)
−3
+
7
x
=
−6
x
−
7
x
−
103
7
x
+
6
x
+
7
x
=
−103
+
3
x
=
−100
÷
20
x
=
−5
(8)
−10
x
−
8
x
+
1
=
7
x
−
24
−10
x
−
8
x
−
7
x
=
−
24
−
1
x
=
−25
÷
(
−25
)
x
=
1
(9)
−3
−
7
x
+
7
x
=
−3
x
−
21
−7
x
+
7
x
+
3
x
=
−21
+
3
x
=
−18
÷
3
x
=
−6
(10)
2
x
−
4
=
3
x
+
6
x
+
10
2
x
−
3
x
−
6
x
=
10
+
4
x
=
14
÷
(
−7
)
x
=
−2
(11)
8
x
−
7
+
5
x
=
7
x
+
35
8
x
+
5
x
−
7
x
=
35
+
7
x
=
42
÷
6
x
=
7
(12)
−8
x
−
7
x
−
6
=
4
x
−
177
−8
x
−
7
x
−
4
x
=
−
177
+
6
x
=
−171
÷
(
−19
)
x
=
9
(13)
9
x
−
1
+
10
x
=
8
x
+
32
9
x
+
10
x
−
8
x
=
32
+
1
x
=
33
÷
11
x
=
3
(14)
5
−
8
x
=
4
x
−
6
x
+
23
−8
x
−
4
x
+
6
x
=
23
−
5
x
=
18
÷
(
−6
)
x
=
−3