[文字サイズの変更]
▼
▲
©2026 数学クラブ http://sugaku.club/
月 日( )
● 次の方程式を解きなさい
[0E7-00]
(1)
3
x
+
10
1
=
8
2
(2)
−8
x
+
7
47
=
5
5
(3)
9
x
−
5
41
=
−
10
10
(4)
5
x
−
6
14
=
5
5
(5)
x
−
5
1
=
10
2
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
3
x
+
10
1
=
8
2
3
x
+
10
=
4
3
x
=
4
−
10
x
=
−2
(2)
−8
x
+
7
47
=
5
5
−8
x
+
7
=
47
−8
x
=
47
−
7
x
=
−5
(3)
9
x
−
5
41
=
−
10
10
9
x
−
5
=
−41
9
x
=
−41
+
5
x
=
−4
(4)
5
x
−
6
14
=
5
5
5
x
−
6
=
14
5
x
=
14
+
6
x
=
4
(5)
x
−
5
1
=
10
2
x
−
5
=
5
x
=
5
+
5
x
=
10