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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)
9
x
=
−1
(2)
−2
x
=
−4
(3)
4
x
=
8
(4)
4
x
=
8
(5)
−3
x
=
−1
(6)
10
x
=
−6
(7)
−4
x
=
5
(8)
3
x
=
10
(9)
−2
x
=
−3
(10)
4
x
=
−6
(11)
3
x
=
1
(12)
3
x
=
−6
(13)
9
x
=
0
(14)
4
x
=
5
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
9
x
=
−1
x
1
=
−
9
(2)
−2
x
=
−4
x
=
2
(3)
4
x
=
8
x
=
2
(4)
4
x
=
8
x
=
2
(5)
−3
x
=
−1
x
1
=
3
(6)
10
x
=
−6
x
3
=
−
5
(7)
−4
x
=
5
x
5
=
−
4
(8)
3
x
=
10
x
10
=
3
(9)
−2
x
=
−3
x
3
=
2
(10)
4
x
=
−6
x
3
=
−
2
(11)
3
x
=
1
x
1
=
3
(12)
3
x
=
−6
x
=
−2
(13)
9
x
=
0
x
=
0
(14)
4
x
=
5
x
5
=
4