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©2024 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[0E1-00]
(1)
2
x
=
−9
(2)
−5
x
=
−6
(3)
10
x
=
8
(4)
−5
x
=
1
(5)
8
x
=
−1
(6)
7
x
=
−10
(7)
9
x
=
6
(8)
8
x
=
10
(9)
−4
x
=
8
(10)
−3
x
=
3
(11)
−5
x
=
−6
(12)
8
x
=
9
(13)
9
x
=
0
(14)
−5
x
=
5
©2024 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
x
=
−9
x
9
=
−
2
(2)
−5
x
=
−6
x
6
=
5
(3)
10
x
=
8
x
4
=
5
(4)
−5
x
=
1
x
1
=
−
5
(5)
8
x
=
−1
x
1
=
−
8
(6)
7
x
=
−10
x
10
=
−
7
(7)
9
x
=
6
x
2
=
3
(8)
8
x
=
10
x
5
=
4
(9)
−4
x
=
8
x
=
−2
(10)
−3
x
=
3
x
=
−1
(11)
−5
x
=
−6
x
6
=
5
(12)
8
x
=
9
x
9
=
8
(13)
9
x
=
0
x
=
0
(14)
−5
x
=
5
x
=
−1