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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
[0E3-00]
(1)
−6
＋
6
x
=
66
−
6
x
(2)
5
x
＋
10
=
−2
＋
8
x
(3)
−7
＋
5
x
=
−
2
x
(4)
9
＋
10
x
=
8
x
−
11
(5)
−10
x
−
2
=
14
−
6
x
(6)
−1
−
9
x
=
5
x
＋
111
(7)
9
x
−
5
=
8
x
＋
5
(8)
−7
−
4
x
=
17
＋
2
x
(9)
−3
x
＋
3
=
−
x
−
15
(10)
10
＋
9
x
=
−10
x
−
28
(11)
2
x
−
3
=
−21
−
x
(12)
−6
＋
x
=
2
x
＋
3
(13)
−
x
＋
8
=
−80
＋
10
x
(14)
−7
x
＋
10
=
17
−
8
x
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−6
＋
6
x
=
66
−
6
x
6
x
＋
6
x
=
66
＋
6
x
=
72
÷
12
x
=
6
(2)
5
x
＋
10
=
−2
＋
8
x
5
x
−
8
x
=
−2
−
10
x
=
−12
÷
(
−3
)
x
=
4
(3)
−7
＋
5
x
=
−
2
x
5
x
＋
2
x
=
7
x
=
7
÷
7
x
=
1
(4)
9
＋
10
x
=
8
x
−
11
10
x
−
8
x
=
−
11
−
9
x
=
−20
÷
2
x
=
−10
(5)
−10
x
−
2
=
14
−
6
x
−10
x
＋
6
x
=
14
＋
2
x
=
16
÷
(
−4
)
x
=
−4
(6)
−1
−
9
x
=
5
x
＋
111
−
9
x
−
5
x
=
111
＋
1
x
=
112
÷
(
−14
)
x
=
−8
(7)
9
x
−
5
=
8
x
＋
5
9
x
−
8
x
=
5
＋
5
x
=
10
÷
1
x
=
10
(8)
−7
−
4
x
=
17
＋
2
x
−4
x
−
2
x
=
17
＋
7
x
=
24
÷
(
−6
)
x
=
−4
(9)
−3
x
＋
3
=
−
x
−
15
−3
x
＋
x
=
−15
−
3
x
=
−18
÷
(
−2
)
x
=
9
(10)
10
＋
9
x
=
−10
x
−
28
9
x
＋
10
x
=
−28
−
10
x
=
−38
÷
19
x
=
−2
(11)
2
x
−
3
=
−21
−
x
2
x
＋
x
=
−21
＋
3
x
=
−18
÷
3
x
=
−6
(12)
−6
＋
x
=
2
x
＋
3
x
−
2
x
=
3
＋
6
x
=
9
÷
(
−1
)
x
=
−9
(13)
−
x
＋
8
=
−80
＋
10
x
−
x
−
10
x
=
−80
−
8
x
=
−88
÷
(
−11
)
x
=
8
(14)
−7
x
＋
10
=
17
−
8
x
−7
x
＋
8
x
=
17
−
10
x
=
7
÷
1
x
=
7