［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)
−
x
=
−7
(2)
−5
x
=
−3
(3)
9
x
=
1
(4)
−8
x
=
2
(5)
2
x
=
−5
(6)
−8
x
=
−10
(7)
−
x
=
−1
(8)
2
x
=
−1
(9)
10
x
=
−3
(10)
9
x
=
−3
(11)
−5
x
=
−1
(12)
−9
x
=
5
(13)
3
x
=
−3
(14)
−5
x
=
8
©2018 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−
x
=
−7
x
=
7
(2)
−5
x
=
−3
x
3
=
5
(3)
9
x
=
1
x
1
=
9
(4)
−8
x
=
2
x
1
=
−
4
(5)
2
x
=
−5
x
5
=
−
2
(6)
−8
x
=
−10
x
5
=
4
(7)
−
x
=
−1
x
=
1
(8)
2
x
=
−1
x
1
=
−
2
(9)
10
x
=
−3
x
3
=
−
10
(10)
9
x
=
−3
x
1
=
−
3
(11)
−5
x
=
−1
x
1
=
5
(12)
−9
x
=
5
x
5
=
−
9
(13)
3
x
=
−3
x
=
−1
(14)
−5
x
=
8
x
8
=
−
5