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©2025 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
+
3
=
−16
2
(2)
−4
x
+
4
10
=
6
3
(3)
9
x
+
5
13
=
−
9
9
(4)
−8
x
+
10
14
=
−
3
3
(5)
−5
x
−
3
32
=
9
9
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
5
x
+
3
=
−16
2
5
x
+
3
=
−32
5
x
=
−32
−
3
x
=
−7
(2)
−4
x
+
4
10
=
6
3
−4
x
+
4
=
20
−4
x
=
20
−
4
x
=
−4
(3)
9
x
+
5
13
=
−
9
9
9
x
+
5
=
−13
9
x
=
−13
−
5
x
=
−2
(4)
−8
x
+
10
14
=
−
3
3
−8
x
+
10
=
−14
−8
x
=
−14
−
10
x
=
3
(5)
−5
x
−
3
32
=
9
9
−5
x
−
3
=
32
−5
x
=
32
+
3
x
=
−7