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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
+
2
34
=
−
5
5
(2)
9
x
−
5
76
=
3
3
(3)
−
x
+
4
=
3
4
(4)
−8
x
+
4
=
−4
3
(5)
7
x
+
3
45
=
7
7
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−4
x
+
2
34
=
−
5
5
−4
x
+
2
=
−34
−4
x
=
−34
−
2
x
=
9
(2)
9
x
−
5
76
=
3
3
9
x
−
5
=
76
9
x
=
76
+
5
x
=
9
(3)
−
x
+
4
=
3
4
−
x
+
4
=
12
−
x
=
12
−
4
x
=
−8
(4)
−8
x
+
4
=
−4
3
−8
x
+
4
=
−12
−8
x
=
−12
−
4
x
=
2
(5)
7
x
+
3
45
=
7
7
7
x
+
3
=
45
7
x
=
45
−
3
x
=
6