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©2024 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[0E3-00]
(1)
−5
x
＋
9
=
19
−
10
x
(2)
8
x
−
5
=
9
x
−
2
(3)
−6
x
＋
3
=
−4
x
−
9
(4)
5
−
2
x
=
21
＋
2
x
(5)
−3
＋
2
x
=
27
−
8
x
(6)
7
−
5
x
=
10
x
＋
157
(7)
−9
＋
9
x
=
−31
−
2
x
(8)
7
＋
9
x
=
−4
x
−
110
(9)
4
−
9
x
=
6
x
＋
34
(10)
−5
−
x
=
−8
x
＋
2
(11)
−6
x
＋
8
=
3
x
−
64
(12)
−2
x
＋
4
=
−6
x
＋
40
(13)
−8
−
4
x
=
4
−
x
(14)
−4
＋
8
x
=
−3
x
−
26
©2024 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−5
x
＋
9
=
19
−
10
x
−5
x
＋
10
x
=
19
−
9
x
=
10
÷
5
x
=
2
(2)
8
x
−
5
=
9
x
−
2
8
x
−
9
x
=
−2
＋
5
x
=
3
÷
(
−1
)
x
=
−3
(3)
−6
x
＋
3
=
−4
x
−
9
−6
x
＋
4
x
=
−
9
−
3
x
=
−12
÷
(
−2
)
x
=
6
(4)
5
−
2
x
=
21
＋
2
x
−2
x
−
2
x
=
21
−
5
x
=
16
÷
(
−4
)
x
=
−4
(5)
−3
＋
2
x
=
27
−
8
x
2
x
＋
8
x
=
27
＋
3
x
=
30
÷
10
x
=
3
(6)
7
−
5
x
=
10
x
＋
157
−5
x
−
10
x
=
157
−
7
x
=
150
÷
(
−15
)
x
=
−10
(7)
−9
＋
9
x
=
−31
−
2
x
9
x
＋
2
x
=
−31
＋
9
x
=
−22
÷
11
x
=
−2
(8)
7
＋
9
x
=
−4
x
−
110
9
x
＋
4
x
=
−110
−
7
x
=
−117
÷
13
x
=
−9
(9)
4
−
9
x
=
6
x
＋
34
−
9
x
−
6
x
=
34
−
4
x
=
30
÷
(
−15
)
x
=
−2
(10)
−5
−
x
=
−8
x
＋
2
−
x
＋
8
x
=
2
＋
5
x
=
7
÷
7
x
=
1
(11)
−6
x
＋
8
=
3
x
−
64
−6
x
−
3
x
=
−64
−
8
x
=
−72
÷
(
−9
)
x
=
8
(12)
−2
x
＋
4
=
−6
x
＋
40
−2
x
＋
6
x
=
40
−
4
x
=
36
÷
4
x
=
9
(13)
−8
−
4
x
=
4
−
x
−4
x
＋
x
=
4
＋
8
x
=
12
÷
(
−3
)
x
=
−4
(14)
−4
＋
8
x
=
−3
x
−
26
8
x
＋
3
x
=
−
26
＋
4
x
=
−22
÷
11
x
=
−2