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©2019 数学クラブ http://sugaku.club/
月 日（ ）
● 次の方程式を解きなさい
[0E3-00]
(1)
2
−
5
x
=
−4
−
2
x
(2)
−9
＋
4
x
=
5
x
−
6
(3)
4
x
＋
3
=
120
−
9
x
(4)
−10
x
＋
3
=
123
＋
2
x
(5)
7
x
−
8
=
−
x
＋
40
(6)
−6
−
3
x
=
9
x
＋
54
(7)
5
x
＋
3
=
−7
x
−
105
(8)
9
x
＋
4
=
76
−
9
x
(9)
9
＋
2
x
=
−6
x
＋
33
(10)
−3
−
4
x
=
−
3
x
(11)
−7
＋
10
x
=
−4
x
−
147
(12)
−1
−
10
x
=
6
x
＋
127
(13)
−2
−
6
x
=
3
x
＋
88
(14)
−8
x
−
7
=
−84
＋
3
x
©2019 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
−
5
x
=
−4
−
2
x
−5
x
＋
2
x
=
−4
−
2
x
=
−6
÷
(
−3
)
x
=
2
(2)
−9
＋
4
x
=
5
x
−
6
4
x
−
5
x
=
−
6
＋
9
x
=
3
÷
(
−1
)
x
=
−3
(3)
4
x
＋
3
=
120
−
9
x
4
x
＋
9
x
=
120
−
3
x
=
117
÷
13
x
=
9
(4)
−10
x
＋
3
=
123
＋
2
x
−10
x
−
2
x
=
123
−
3
x
=
120
÷
(
−12
)
x
=
−10
(5)
7
x
−
8
=
−
x
＋
40
7
x
＋
x
=
40
＋
8
x
=
48
÷
8
x
=
6
(6)
−6
−
3
x
=
9
x
＋
54
−3
x
−
9
x
=
54
＋
6
x
=
60
÷
(
−12
)
x
=
−5
(7)
5
x
＋
3
=
−7
x
−
105
5
x
＋
7
x
=
−
105
−
3
x
=
−108
÷
12
x
=
−9
(8)
9
x
＋
4
=
76
−
9
x
9
x
＋
9
x
=
76
−
4
x
=
72
÷
18
x
=
4
(9)
9
＋
2
x
=
−6
x
＋
33
2
x
＋
6
x
=
33
−
9
x
=
24
÷
8
x
=
3
(10)
−3
−
4
x
=
−
3
x
−4
x
＋
3
x
=
3
x
=
3
÷
(
−1
)
x
=
−3
(11)
−7
＋
10
x
=
−4
x
−
147
10
x
＋
4
x
=
−147
＋
7
x
=
−140
÷
14
x
=
−10
(12)
−1
−
10
x
=
6
x
＋
127
−
10
x
−
6
x
=
127
＋
1
x
=
128
÷
(
−16
)
x
=
−8
(13)
−2
−
6
x
=
3
x
＋
88
−
6
x
−
3
x
=
88
＋
2
x
=
90
÷
(
−9
)
x
=
−10
(14)
−8
x
−
7
=
−84
＋
3
x
−8
x
−
3
x
=
−84
＋
7
x
=
−77
÷
(
−11
)
x
=
7