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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)
10
x
+
6
x
+
7
=
−3
x
+
64
(2)
−8
x
−
6
x
−
4
=
7
x
+
206
(3)
4
x
+
2
=
−6
x
−
7
x
+
19
(4)
−4
x
+
5
=
9
x
−
58
+
8
x
(5)
3
+
6
x
=
5
x
−
8
x
+
30
(6)
−10
x
−
4
x
−
7
=
5
x
+
88
(7)
−5
−
5
x
−
4
x
=
−5
x
−
37
(8)
−8
x
+
4
=
−5
x
−
66
−
10
x
(9)
2
x
+
6
x
−
8
=
2
x
−
50
(10)
2
x
−
1
=
−9
x
+
4
x
−
43
(11)
−5
+
7
x
=
−8
x
+
8
x
+
51
(12)
−5
+
3
x
−
6
x
=
5
x
+
43
(13)
−8
x
−
7
=
2
x
−
47
+
10
x
(14)
8
x
+
7
x
−
4
=
9
x
+
50
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
10
x
+
6
x
+
7
=
−3
x
+
64
10
x
+
6
x
+
3
x
=
64
−
7
x
=
57
÷
19
x
=
3
(2)
−8
x
−
6
x
−
4
=
7
x
+
206
−8
x
−
6
x
−
7
x
=
206
+
4
x
=
210
÷
(
−21
)
x
=
−10
(3)
4
x
+
2
=
−6
x
−
7
x
+
19
4
x
+
6
x
+
7
x
=
19
−
2
x
=
17
÷
17
x
=
1
(4)
−4
x
+
5
=
9
x
−
58
+
8
x
−4
x
−
9
x
−
8
x
=
−
58
−
5
x
=
−63
÷
(
−21
)
x
=
3
(5)
3
+
6
x
=
5
x
−
8
x
+
30
6
x
−
5
x
+
8
x
=
30
−
3
x
=
27
÷
9
x
=
3
(6)
−10
x
−
4
x
−
7
=
5
x
+
88
−10
x
−
4
x
−
5
x
=
88
+
7
x
=
95
÷
(
−19
)
x
=
−5
(7)
−5
−
5
x
−
4
x
=
−5
x
−
37
−5
x
−
4
x
+
5
x
=
−37
+
5
x
=
−32
÷
(
−4
)
x
=
8
(8)
−8
x
+
4
=
−5
x
−
66
−
10
x
−8
x
+
5
x
+
10
x
=
−66
−
4
x
=
−70
÷
7
x
=
−10
(9)
2
x
+
6
x
−
8
=
2
x
−
50
2
x
+
6
x
−
2
x
=
−
50
+
8
x
=
−42
÷
6
x
=
−7
(10)
2
x
−
1
=
−9
x
+
4
x
−
43
2
x
+
9
x
−
4
x
=
−43
+
1
x
=
−42
÷
7
x
=
−6
(11)
−5
+
7
x
=
−8
x
+
8
x
+
51
7
x
+
8
x
−
8
x
=
51
+
5
x
=
56
÷
7
x
=
8
(12)
−5
+
3
x
−
6
x
=
5
x
+
43
3
x
−
6
x
−
5
x
=
43
+
5
x
=
48
÷
(
−8
)
x
=
−6
(13)
−8
x
−
7
=
2
x
−
47
+
10
x
−8
x
−
2
x
−
10
x
=
−
47
+
7
x
=
−40
÷
(
−20
)
x
=
2
(14)
8
x
+
7
x
−
4
=
9
x
+
50
8
x
+
7
x
−
9
x
=
50
+
4
x
=
54
÷
6
x
=
9