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