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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
[0E2-00]
(1)
3
−
2
x
=
−15
(2)
4
＋
2
x
=
2
(3)
−6
＋
(
−3
)
x
=
−33
(4)
−3
x
＋
3
=
6
(5)
−5
x
−
6
=
29
(6)
10
x
−
(
−7
)
=
17
(7)
56
＋
4
x
=
−10
x
(8)
15
−
(
−7
)
x
=
−8
x
(9)
1
＋
(
−5
)
x
=
−34
(10)
2
x
＋
10
=
22
(11)
5
x
−
(
−7
)
=
57
(12)
2
−
4
x
=
−5
x
(13)
−24
＋
5
x
=
8
x
(14)
−7
x
−
(
−66
)
=
4
x
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
3
−
2
x
=
−15
−
2
x
=
−15
−
3
−
2
x
=
−18
x
=
9
(2)
4
＋
2
x
=
2
2
x
=
2
−
4
2
x
=
−2
x
=
−1
(3)
−6
＋
(
−3
)
x
=
−33
−3
x
=
−33
＋
6
−3
x
=
−27
x
=
9
(4)
−3
x
＋
3
=
6
−3
x
=
6
−
3
−3
x
=
3
x
=
−1
(5)
−5
x
−
6
=
29
−5
x
=
29
＋
6
−5
x
=
35
x
=
−7
(6)
10
x
−
(
−7
)
=
17
10
x
=
17
−
7
10
x
=
10
x
=
1
(7)
56
＋
4
x
=
−10
x
4
x
＋
10
x
=
−
56
14
x
=
−56
x
=
−4
(8)
15
−
(
−7
)
x
=
−8
x
7
x
＋
8
x
=
−
15
15
x
=
−15
x
=
−1
(9)
1
＋
(
−5
)
x
=
−34
−5
x
=
−34
−
1
−5
x
=
−35
x
=
7
(10)
2
x
＋
10
=
22
2
x
=
22
−
10
2
x
=
12
x
=
6
(11)
5
x
−
(
−7
)
=
57
5
x
=
57
−
7
5
x
=
50
x
=
10
(12)
2
−
4
x
=
−5
x
−
4
x
＋
5
x
=
−
2
x
=
−2
(13)
−24
＋
5
x
=
8
x
5
x
−
8
x
=
24
−3
x
=
24
x
=
−8
(14)
−7
x
−
(
−66
)
=
4
x
−7
x
−
4
x
=
−66
−11
x
=
−66
x
=
6