［文字サイズの変更］
▼
▲
©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[0E2-00]
(1)
−64
＋
4
x
=
−4
x
(2)
−10
−
(
−7
)
x
=
−31
(3)
−6
x
＋
(
−4
)
=
−2
x
(4)
6
x
＋
10
=
5
x
(5)
4
x
−
(
−10
)
=
22
(6)
9
x
−
49
=
2
x
(7)
−10
x
−
(
−126
)
=
8
x
(8)
4
x
−
7
=
−39
(9)
−9
x
−
(
−26
)
=
4
x
(10)
6
x
−
(
−32
)
=
10
x
(11)
10
x
＋
(
−27
)
=
x
(12)
−7
＋
2
x
=
−25
(13)
−3
x
＋
(
−6
)
=
−27
(14)
120
−
10
x
=
10
x
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−64
＋
4
x
=
−4
x
4
x
＋
4
x
=
64
8
x
=
64
x
=
8
(2)
−10
−
(
−7
)
x
=
−31
7
x
=
−31
＋
10
7
x
=
−21
x
=
−3
(3)
−6
x
＋
(
−4
)
=
−2
x
−6
x
＋
2
x
=
4
−4
x
=
4
x
=
−1
(4)
6
x
＋
10
=
5
x
6
x
−
5
x
=
−
10
x
=
−10
(5)
4
x
−
(
−10
)
=
22
4
x
=
22
−
10
4
x
=
12
x
=
3
(6)
9
x
−
49
=
2
x
9
x
−
2
x
=
49
7
x
=
49
x
=
7
(7)
−10
x
−
(
−126
)
=
8
x
−10
x
−
8
x
=
−126
−18
x
=
−126
x
=
7
(8)
4
x
−
7
=
−39
4
x
=
−39
＋
7
4
x
=
−32
x
=
−8
(9)
−9
x
−
(
−26
)
=
4
x
−9
x
−
4
x
=
−26
−13
x
=
−26
x
=
2
(10)
6
x
−
(
−32
)
=
10
x
6
x
−
10
x
=
−32
−4
x
=
−32
x
=
8
(11)
10
x
＋
(
−27
)
=
x
10
x
−
x
=
27
9
x
=
27
x
=
3
(12)
−7
＋
2
x
=
−25
2
x
=
−25
＋
7
2
x
=
−18
x
=
−9
(13)
−3
x
＋
(
−6
)
=
−27
−3
x
=
−27
＋
6
−3
x
=
−21
x
=
7
(14)
120
−
10
x
=
10
x
−
10
x
−
10
x
=
−
120
−20
x
=
−120
x
=
6