［文字サイズの変更］
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©2018 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[0E1-00]
(1)
−3
x
=
3
(2)
8
x
=
10
(3)
9
x
=
−3
(4)
−9
x
=
−10
(5)
7
x
=
6
(6)
−10
x
=
9
(7)
−7
x
=
9
(8)
−4
x
=
3
(9)
−7
x
=
9
(10)
7
x
=
−10
(11)
7
x
=
2
(12)
−5
x
=
5
(13)
−4
x
=
0
(14)
−7
x
=
−8
©2018 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−3
x
=
3
x
=
−1
(2)
8
x
=
10
x
5
=
4
(3)
9
x
=
−3
x
1
=
−
3
(4)
−9
x
=
−10
x
10
=
9
(5)
7
x
=
6
x
6
=
7
(6)
−10
x
=
9
x
9
=
−
10
(7)
−7
x
=
9
x
9
=
−
7
(8)
−4
x
=
3
x
3
=
−
4
(9)
−7
x
=
9
x
9
=
−
7
(10)
7
x
=
−10
x
10
=
−
7
(11)
7
x
=
2
x
2
=
7
(12)
−5
x
=
5
x
=
−1
(13)
−4
x
=
0
x
=
0
(14)
−7
x
=
−8
x
8
=
7