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