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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)
−5
−
x
=
37
−
7
x
(2)
−10
x
＋
10
=
98
＋
x
(3)
3
x
−
7
=
−77
−
4
x
(4)
−3
x
−
9
=
10
x
−
139
(5)
−7
x
＋
4
=
7
x
−
94
(6)
−3
x
＋
8
=
−5
x
−
6
(7)
3
＋
3
x
=
10
＋
4
x
(8)
4
＋
10
x
=
5
x
＋
9
(9)
−5
x
−
8
=
4
x
−
62
(10)
−4
x
−
4
=
9
x
＋
48
(11)
6
x
＋
7
=
−4
x
−
13
(12)
6
＋
5
x
=
10
＋
x
(13)
−4
−
9
x
=
9
x
−
76
(14)
−2
x
−
3
=
−51
＋
10
x
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−5
−
x
=
37
−
7
x
−
x
＋
7
x
=
37
＋
5
x
=
42
÷
6
x
=
7
(2)
−10
x
＋
10
=
98
＋
x
−10
x
−
x
=
98
−
10
x
=
88
÷
(
−11
)
x
=
−8
(3)
3
x
−
7
=
−77
−
4
x
3
x
＋
4
x
=
−77
＋
7
x
=
−70
÷
7
x
=
−10
(4)
−3
x
−
9
=
10
x
−
139
−3
x
−
10
x
=
−
139
＋
9
x
=
−130
÷
(
−13
)
x
=
10
(5)
−7
x
＋
4
=
7
x
−
94
−7
x
−
7
x
=
−94
−
4
x
=
−98
÷
(
−14
)
x
=
7
(6)
−3
x
＋
8
=
−5
x
−
6
−3
x
＋
5
x
=
−6
−
8
x
=
−14
÷
2
x
=
−7
(7)
3
＋
3
x
=
10
＋
4
x
3
x
−
4
x
=
10
−
3
x
=
7
÷
(
−1
)
x
=
−7
(8)
4
＋
10
x
=
5
x
＋
9
10
x
−
5
x
=
9
−
4
x
=
5
÷
5
x
=
1
(9)
−5
x
−
8
=
4
x
−
62
−5
x
−
4
x
=
−62
＋
8
x
=
−54
÷
(
−9
)
x
=
6
(10)
−4
x
−
4
=
9
x
＋
48
−4
x
−
9
x
=
48
＋
4
x
=
52
÷
(
−13
)
x
=
−4
(11)
6
x
＋
7
=
−4
x
−
13
6
x
＋
4
x
=
−
13
−
7
x
=
−20
÷
10
x
=
−2
(12)
6
＋
5
x
=
10
＋
x
5
x
−
x
=
10
−
6
x
=
4
÷
4
x
=
1
(13)
−4
−
9
x
=
9
x
−
76
−
9
x
−
9
x
=
−76
＋
4
x
=
−72
÷
(
−18
)
x
=
4
(14)
−2
x
−
3
=
−51
＋
10
x
−2
x
−
10
x
=
−51
＋
3
x
=
−48
÷
(
−12
)
x
=
4