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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)
−4
x
+
3
5
=
−
9
9
(2)
9
x
+
2
38
=
9
9
(3)
−5
x
−
7
43
=
5
5
(4)
2
x
+
8
8
=
6
3
(5)
−8
x
+
8
=
8
2
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−4
x
+
3
5
=
−
9
9
−4
x
+
3
=
−5
−4
x
=
−5
−
3
x
=
2
(2)
9
x
+
2
38
=
9
9
9
x
+
2
=
38
9
x
=
38
−
2
x
=
4
(3)
−5
x
−
7
43
=
5
5
−5
x
−
7
=
43
−5
x
=
43
+
7
x
=
−10
(4)
2
x
+
8
8
=
6
3
2
x
+
8
=
16
2
x
=
16
−
8
x
=
4
(5)
−8
x
+
8
=
8
2
−8
x
+
8
=
16
−8
x
=
16
−
8
x
=
−1