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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
[0E2-00]
(1)
8
−
(
−8
)
x
=
−64
(2)
−10
x
−
(
−60
)
=
5
x
(3)
−9
x
−
(
−96
)
=
7
x
(4)
−8
＋
(
−6
)
x
=
−2
(5)
4
x
＋
49
=
−3
x
(6)
−8
x
−
110
=
3
x
(7)
−9
＋
(
−5
)
x
=
−44
(8)
10
x
−
(
−1
)
=
51
(9)
2
−
(
−6
)
x
=
7
x
(10)
7
x
−
120
=
−5
x
(11)
8
x
−
2
=
−58
(12)
42
＋
(
−7
)
x
=
−
x
(13)
−44
−
(
−5
)
x
=
−6
x
(14)
60
＋
(
−5
)
x
=
x
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
8
−
(
−8
)
x
=
−64
8
x
=
−64
−
8
8
x
=
−72
x
=
−9
(2)
−10
x
−
(
−60
)
=
5
x
−10
x
−
5
x
=
−60
−15
x
=
−60
x
=
4
(3)
−9
x
−
(
−96
)
=
7
x
−9
x
−
7
x
=
−96
−16
x
=
−96
x
=
6
(4)
−8
＋
(
−6
)
x
=
−2
−6
x
=
−2
＋
8
−6
x
=
6
x
=
−1
(5)
4
x
＋
49
=
−3
x
4
x
＋
3
x
=
−
49
7
x
=
−49
x
=
−7
(6)
−8
x
−
110
=
3
x
−8
x
−
3
x
=
110
−11
x
=
110
x
=
−10
(7)
−9
＋
(
−5
)
x
=
−44
−5
x
=
−44
＋
9
−5
x
=
−35
x
=
7
(8)
10
x
−
(
−1
)
=
51
10
x
=
51
−
1
10
x
=
50
x
=
5
(9)
2
−
(
−6
)
x
=
7
x
6
x
−
7
x
=
−
2
−
x
=
−2
x
=
2
(10)
7
x
−
120
=
−5
x
7
x
＋
5
x
=
120
12
x
=
120
x
=
10
(11)
8
x
−
2
=
−58
8
x
=
−58
＋
2
8
x
=
−56
x
=
−7
(12)
42
＋
(
−7
)
x
=
−
x
−7
x
＋
x
=
−
42
−6
x
=
−42
x
=
7
(13)
−44
−
(
−5
)
x
=
−6
x
5
x
＋
6
x
=
44
11
x
=
44
x
=
4
(14)
60
＋
(
−5
)
x
=
x
−5
x
−
x
=
−
60
−6
x
=
−60
x
=
10