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©2025 数学クラブ http://sugaku.club/
月 日( )
● 次の方程式を解きなさい
[0E7-00]
(1)
2
x
+
10
=
1
2
(2)
6
x
−
6
14
=
9
3
(3)
10
x
+
8
46
=
−
10
5
(4)
−5
x
−
5
=
−20
2
(5)
10
x
+
6
48
=
10
5
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
2
x
+
10
=
1
2
2
x
+
10
=
2
2
x
=
2
−
10
x
=
−4
(2)
6
x
−
6
14
=
9
3
6
x
−
6
=
42
6
x
=
42
+
6
x
=
8
(3)
10
x
+
8
46
=
−
10
5
10
x
+
8
=
−92
10
x
=
−92
−
8
x
=
−10
(4)
−5
x
−
5
=
−20
2
−5
x
−
5
=
−40
−5
x
=
−40
+
5
x
=
7
(5)
10
x
+
6
48
=
10
5
10
x
+
6
=
96
10
x
=
96
−
6
x
=
9