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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[210-20]
(1)
2
−3
x
=
−3
(2)
7
2
x
=
1
5
(3)
1
2
2
−
x
=
−
3
3
(4)
2
3
x
=
4
(5)
2
3
x
=
3
(6)
2
27
−3
x
=
−
4
(7)
3
2
x
=
1
2
(8)
2
16
−5
x
=
−
5
(9)
2
−5
x
=
−5
(10)
2
2
−2
x
=
−
9
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
−3
x
=
−3
2
x
=
1
x
=
±
1
(2)
7
2
x
5
=
1
2
x
5
=
7
x
35
=
±
7
(3)
1
2
−
x
3
2
=
−
3
2
x
=
2
x
2
=
±
(4)
2
x
3
=
4
x
1
3
=
±
2
(5)
2
3
x
=
3
2
x
=
1
x
=
±
1
(6)
2
−3
x
27
=
−
4
2
x
9
=
4
x
3
=
±
2
(7)
3
2
x
2
=
1
2
x
2
=
3
x
6
=
±
3
(8)
2
−5
x
16
=
−
5
2
x
16
=
25
x
4
=
±
5
(9)
2
−5
x
=
−5
2
x
=
1
x
=
±
1
(10)
2
−2
x
2
=
−
9
2
x
1
=
9
x
1
=
±
3