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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
[0E2-00]
(1)
−68
+
(
−8
)
x
=
9
x
(2)
−6
x
+
(
−54
)
=
3
x
(3)
5
x
−
(
−36
)
=
x
(4)
−91
+
(
−8
)
x
=
5
x
(5)
3
x
−
33
=
−8
x
(6)
−57
+
(
−10
)
x
=
9
x
(7)
−10
+
6
x
=
−16
(8)
3
+
(
−2
)
x
=
1
(9)
36
−
7
x
=
2
x
(10)
−9
+
(
−3
)
x
=
−12
(11)
−
x
+
48
=
−7
x
(12)
4
−
8
x
=
−9
x
(13)
−4
+
(
−10
)
x
=
−14
(14)
5
x
−
(
−112
)
=
−9
x
©2024 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−68
+
(
−8
)
x
=
9
x
−8
x
−
9
x
=
68
−17
x
=
68
x
=
−4
(2)
−6
x
+
(
−54
)
=
3
x
−6
x
−
3
x
=
54
−9
x
=
54
x
=
−6
(3)
5
x
−
(
−36
)
=
x
5
x
−
x
=
−36
4
x
=
−36
x
=
−9
(4)
−91
+
(
−8
)
x
=
5
x
−8
x
−
5
x
=
91
−13
x
=
91
x
=
−7
(5)
3
x
−
33
=
−8
x
3
x
+
8
x
=
33
11
x
=
33
x
=
3
(6)
−57
+
(
−10
)
x
=
9
x
−10
x
−
9
x
=
57
−19
x
=
57
x
=
−3
(7)
−10
+
6
x
=
−16
6
x
=
−16
+
10
6
x
=
−6
x
=
−1
(8)
3
+
(
−2
)
x
=
1
−2
x
=
1
−
3
−2
x
=
−2
x
=
1
(9)
36
−
7
x
=
2
x
−
7
x
−
2
x
=
−
36
−9
x
=
−36
x
=
4
(10)
−9
+
(
−3
)
x
=
−12
−3
x
=
−12
+
9
−3
x
=
−3
x
=
1
(11)
−
x
+
48
=
−7
x
−
x
+
7
x
=
−
48
6
x
=
−48
x
=
−8
(12)
4
−
8
x
=
−9
x
−
8
x
+
9
x
=
−
4
x
=
−4
(13)
−4
+
(
−10
)
x
=
−14
−10
x
=
−14
+
4
−10
x
=
−10
x
=
1
(14)
5
x
−
(
−112
)
=
−9
x
5
x
+
9
x
=
−112
14
x
=
−112
x
=
−8