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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)
−8
x
+
4
=
−13
4
(2)
4
x
−
9
11
=
10
10
(3)
2
x
+
7
17
=
8
8
(4)
−5
x
+
10
=
0
2
(5)
7
x
+
4
=
−5
9
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−8
x
+
4
=
−13
4
−8
x
+
4
=
−52
−8
x
=
−52
−
4
x
=
7
(2)
4
x
−
9
11
=
10
10
4
x
−
9
=
11
4
x
=
11
+
9
x
=
5
(3)
2
x
+
7
17
=
8
8
2
x
+
7
=
17
2
x
=
17
−
7
x
=
5
(4)
−5
x
+
10
=
0
2
−5
x
+
10
=
0
−5
x
=
−
10
x
=
2
(5)
7
x
+
4
=
−5
9
7
x
+
4
=
−45
7
x
=
−45
−
4
x
=
−7