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