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