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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
[0E1-00]
(1)
−4
x
=
−9
(2)
7
x
=
4
(3)
9
x
=
10
(4)
8
x
=
6
(5)
−5
x
=
−9
(6)
4
x
=
−8
(7)
−4
x
=
−8
(8)
−7
x
=
6
(9)
9
x
=
−7
(10)
6
x
=
−8
(11)
−10
x
=
10
(12)
5
x
=
2
(13)
3
x
=
−7
(14)
−5
x
=
−8
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−4
x
=
−9
x
9
=
4
(2)
7
x
=
4
x
4
=
7
(3)
9
x
=
10
x
10
=
9
(4)
8
x
=
6
x
3
=
4
(5)
−5
x
=
−9
x
9
=
5
(6)
4
x
=
−8
x
=
−2
(7)
−4
x
=
−8
x
=
2
(8)
−7
x
=
6
x
6
=
−
7
(9)
9
x
=
−7
x
7
=
−
9
(10)
6
x
=
−8
x
4
=
−
3
(11)
−10
x
=
10
x
=
−1
(12)
5
x
=
2
x
2
=
5
(13)
3
x
=
−7
x
7
=
−
3
(14)
−5
x
=
−8
x
8
=
5