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©2026 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[0E1-00]
(1)
−
x
=
−1
(2)
8
x
=
7
(3)
3
x
=
7
(4)
−7
x
=
1
(5)
9
x
=
9
(6)
−
x
=
8
(7)
3
x
=
−4
(8)
−6
x
=
0
(9)
−3
x
=
6
(10)
9
x
=
−2
(11)
2
x
=
−1
(12)
−7
x
=
10
(13)
6
x
=
10
(14)
−3
x
=
−8
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−
x
=
−1
x
=
1
(2)
8
x
=
7
x
7
=
8
(3)
3
x
=
7
x
7
=
3
(4)
−7
x
=
1
x
1
=
−
7
(5)
9
x
=
9
x
=
1
(6)
−
x
=
8
x
=
−8
(7)
3
x
=
−4
x
4
=
−
3
(8)
−6
x
=
0
x
=
0
(9)
−3
x
=
6
x
=
−2
(10)
9
x
=
−2
x
2
=
−
9
(11)
2
x
=
−1
x
1
=
−
2
(12)
−7
x
=
10
x
10
=
−
7
(13)
6
x
=
10
x
5
=
3
(14)
−3
x
=
−8
x
8
=
3