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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
＋
(
−10
)
x
=
−9
x
(2)
−11
−
8
x
=
3
x
(3)
5
x
−
6
=
7
x
(4)
4
−
(
−7
)
x
=
67
(5)
−1
−
3
x
=
−16
(6)
−4
x
＋
(
−2
)
=
10
(7)
96
−
(
−10
)
x
=
−6
x
(8)
56
−
x
=
−8
x
(9)
5
−
(
−5
)
x
=
35
(10)
7
x
＋
(
−9
)
=
4
x
(11)
9
＋
(
−9
)
x
=
36
(12)
−1
＋
10
x
=
−11
(13)
8
x
＋
20
=
−2
x
(14)
−6
x
＋
(
−104
)
=
7
x
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−8
＋
(
−10
)
x
=
−9
x
−10
x
＋
9
x
=
8
−
x
=
8
x
=
−8
(2)
−11
−
8
x
=
3
x
−
8
x
−
3
x
=
11
−11
x
=
11
x
=
−1
(3)
5
x
−
6
=
7
x
5
x
−
7
x
=
6
−2
x
=
6
x
=
−3
(4)
4
−
(
−7
)
x
=
67
7
x
=
67
−
4
7
x
=
63
x
=
9
(5)
−1
−
3
x
=
−16
−
3
x
=
−16
＋
1
−
3
x
=
−15
x
=
5
(6)
−4
x
＋
(
−2
)
=
10
−4
x
=
10
＋
2
−4
x
=
12
x
=
−3
(7)
96
−
(
−10
)
x
=
−6
x
10
x
＋
6
x
=
−
96
16
x
=
−96
x
=
−6
(8)
56
−
x
=
−8
x
−
x
＋
8
x
=
−
56
7
x
=
−56
x
=
−8
(9)
5
−
(
−5
)
x
=
35
5
x
=
35
−
5
5
x
=
30
x
=
6
(10)
7
x
＋
(
−9
)
=
4
x
7
x
−
4
x
=
9
3
x
=
9
x
=
3
(11)
9
＋
(
−9
)
x
=
36
−9
x
=
36
−
9
−9
x
=
27
x
=
−3
(12)
−1
＋
10
x
=
−11
10
x
=
−11
＋
1
10
x
=
−10
x
=
−1
(13)
8
x
＋
20
=
−2
x
8
x
＋
2
x
=
−
20
10
x
=
−20
x
=
−2
(14)
−6
x
＋
(
−104
)
=
7
x
−6
x
−
7
x
=
104
−13
x
=
104
x
=
−8