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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
[0E7-00]
(1)
−5
x
+
8
7
=
−
3
3
(2)
2
x
+
4
5
=
8
4
(3)
−8
x
−
6
86
=
−
3
3
(4)
4
x
−
2
26
=
7
7
(5)
6
x
−
10
=
−4
4
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−5
x
+
8
7
=
−
3
3
−5
x
+
8
=
−7
−5
x
=
−7
−
8
x
=
3
(2)
2
x
+
4
5
=
8
4
2
x
+
4
=
10
2
x
=
10
−
4
x
=
3
(3)
−8
x
−
6
86
=
−
3
3
−8
x
−
6
=
−86
−8
x
=
−86
+
6
x
=
10
(4)
4
x
−
2
26
=
7
7
4
x
−
2
=
26
4
x
=
26
+
2
x
=
7
(5)
6
x
−
10
=
−4
4
6
x
−
10
=
−16
6
x
=
−16
+
10
x
=
−1