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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
[0E3-00]
(1)
−6
−
2
x
=
8
x
−
76
(2)
9
x
−
2
=
−3
x
−
26
(3)
8
x
−
6
=
6
x
−
18
(4)
8
x
+
6
=
−
x
+
15
(5)
9
x
+
3
=
23
+
5
x
(6)
3
x
+
1
=
10
+
4
x
(7)
8
x
−
1
=
−2
x
+
69
(8)
−7
−
5
x
=
3
x
−
15
(9)
3
+
8
x
=
7
x
−
2
(10)
8
+
6
x
=
−1
+
7
x
(11)
−10
x
+
8
=
−64
−
2
x
(12)
6
−
x
=
13
−
8
x
(13)
2
+
x
=
18
−
x
(14)
7
−
6
x
=
−
x
+
52
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−6
−
2
x
=
8
x
−
76
−2
x
−
8
x
=
−76
+
6
x
=
−70
÷
(
−10
)
x
=
7
(2)
9
x
−
2
=
−3
x
−
26
9
x
+
3
x
=
−26
+
2
x
=
−24
÷
12
x
=
−2
(3)
8
x
−
6
=
6
x
−
18
8
x
−
6
x
=
−
18
+
6
x
=
−12
÷
2
x
=
−6
(4)
8
x
+
6
=
−
x
+
15
8
x
+
x
=
15
−
6
x
=
9
÷
9
x
=
1
(5)
9
x
+
3
=
23
+
5
x
9
x
−
5
x
=
23
−
3
x
=
20
÷
4
x
=
5
(6)
3
x
+
1
=
10
+
4
x
3
x
−
4
x
=
10
−
1
x
=
9
÷
(
−1
)
x
=
−9
(7)
8
x
−
1
=
−2
x
+
69
8
x
+
2
x
=
69
+
1
x
=
70
÷
10
x
=
7
(8)
−7
−
5
x
=
3
x
−
15
−
5
x
−
3
x
=
−15
+
7
x
=
−8
÷
(
−8
)
x
=
1
(9)
3
+
8
x
=
7
x
−
2
8
x
−
7
x
=
−2
−
3
x
=
−5
÷
1
x
=
−5
(10)
8
+
6
x
=
−1
+
7
x
6
x
−
7
x
=
−1
−
8
x
=
−9
÷
(
−1
)
x
=
9
(11)
−10
x
+
8
=
−64
−
2
x
−10
x
+
2
x
=
−64
−
8
x
=
−72
÷
(
−8
)
x
=
9
(12)
6
−
x
=
13
−
8
x
−
x
+
8
x
=
13
−
6
x
=
7
÷
7
x
=
1
(13)
2
+
x
=
18
−
x
x
+
x
=
18
−
2
x
=
16
÷
2
x
=
8
(14)
7
−
6
x
=
−
x
+
52
−6
x
+
x
=
52
−
7
x
=
45
÷
(
−5
)
x
=
−9