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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
[0E4-00]
(1)
−9
x
＋
6
=
−3
x
−
78
＋
6
x
(2)
−5
−
3
x
−
9
x
=
x
＋
86
(3)
10
＋
3
x
＋
2
x
=
−4
x
＋
55
(4)
10
−
7
x
＋
8
x
=
8
x
＋
59
(5)
6
x
＋
6
=
−9
x
−
2
x
＋
176
(6)
−3
x
＋
2
=
4
x
−
26
＋
7
x
(7)
5
x
＋
2
−
4
x
=
10
x
＋
56
(8)
−5
x
−
8
=
−3
x
−
9
−
x
(9)
−3
x
＋
7
=
−9
x
−
3
x
＋
16
(10)
−5
x
−
3
=
−5
x
＋
3
x
−
12
(11)
7
x
−
9
＋
9
x
=
4
x
−
81
(12)
−6
x
＋
9
x
＋
7
=
4
x
＋
1
(13)
−6
x
＋
7
x
−
8
=
10
x
＋
19
(14)
9
x
＋
5
=
−6
x
＋
117
−
x
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−9
x
＋
6
=
−3
x
−
78
＋
6
x
−9
x
＋
3
x
−
6
x
=
−78
−
6
x
=
−84
÷
(
−12
)
x
=
7
(2)
−5
−
3
x
−
9
x
=
x
＋
86
−3
x
−
9
x
−
x
=
86
＋
5
x
=
91
÷
(
−13
)
x
=
−7
(3)
10
＋
3
x
＋
2
x
=
−4
x
＋
55
3
x
＋
2
x
＋
4
x
=
55
−
10
x
=
45
÷
9
x
=
5
(4)
10
−
7
x
＋
8
x
=
8
x
＋
59
−7
x
＋
8
x
−
8
x
=
59
−
10
x
=
49
÷
(
−7
)
x
=
−7
(5)
6
x
＋
6
=
−9
x
−
2
x
＋
176
6
x
＋
9
x
＋
2
x
=
176
−
6
x
=
170
÷
17
x
=
10
(6)
−3
x
＋
2
=
4
x
−
26
＋
7
x
−3
x
−
4
x
−
7
x
=
−26
−
2
x
=
−28
÷
(
−14
)
x
=
2
(7)
5
x
＋
2
−
4
x
=
10
x
＋
56
5
x
−
4
x
−
10
x
=
56
−
2
x
=
54
÷
(
−9
)
x
=
−6
(8)
−5
x
−
8
=
−3
x
−
9
−
x
−5
x
＋
3
x
＋
x
=
−
9
＋
8
x
=
−1
÷
(
−1
)
x
=
1
(9)
−3
x
＋
7
=
−9
x
−
3
x
＋
16
−3
x
＋
9
x
＋
3
x
=
16
−
7
x
=
9
÷
9
x
=
1
(10)
−5
x
−
3
=
−5
x
＋
3
x
−
12
−5
x
＋
5
x
−
3
x
=
−12
＋
3
x
=
−9
÷
(
−3
)
x
=
3
(11)
7
x
−
9
＋
9
x
=
4
x
−
81
7
x
＋
9
x
−
4
x
=
−81
＋
9
x
=
−72
÷
12
x
=
−6
(12)
−6
x
＋
9
x
＋
7
=
4
x
＋
1
−6
x
＋
9
x
−
4
x
=
1
−
7
x
=
−6
÷
(
−1
)
x
=
6
(13)
−6
x
＋
7
x
−
8
=
10
x
＋
19
−6
x
＋
7
x
−
10
x
=
19
＋
8
x
=
27
÷
(
−9
)
x
=
−3
(14)
9
x
＋
5
=
−6
x
＋
117
−
x
9
x
＋
6
x
＋
x
=
117
−
5
x
=
112
÷
16
x
=
7