[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)
−8
x
+
4
17
=
8
2
(2)
5
x
+
4
=
−7
3
(3)
−7
x
−
8
=
17
2
(4)
−5
x
+
10
=
0
2
(5)
8
x
−
7
29
=
−
6
2
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−8
x
+
4
17
=
8
2
−8
x
+
4
=
68
−8
x
=
68
−
4
x
=
−8
(2)
5
x
+
4
=
−7
3
5
x
+
4
=
−21
5
x
=
−21
−
4
x
=
−5
(3)
−7
x
−
8
=
17
2
−7
x
−
8
=
34
−7
x
=
34
+
8
x
=
−6
(4)
−5
x
+
10
=
0
2
−5
x
+
10
=
0
−5
x
=
−
10
x
=
2
(5)
8
x
−
7
29
=
−
6
2
8
x
−
7
=
−87
8
x
=
−87
+
7
x
=
−10