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©2026 数学クラブ http://sugaku.club/
月 日( )
● 次の方程式を解きなさい
[0E7-00]
(1)
−7
x
+
8
11
=
4
2
(2)
10
x
−
6
1
=
8
2
(3)
−7
x
+
10
33
=
10
5
(4)
10
x
−
1
39
=
8
8
(5)
−3
x
+
3
15
=
2
2
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−7
x
+
8
11
=
4
2
−7
x
+
8
=
22
−7
x
=
22
−
8
x
=
−2
(2)
10
x
−
6
1
=
8
2
10
x
−
6
=
4
10
x
=
4
+
6
x
=
1
(3)
−7
x
+
10
33
=
10
5
−7
x
+
10
=
66
−7
x
=
66
−
10
x
=
−8
(4)
10
x
−
1
39
=
8
8
10
x
−
1
=
39
10
x
=
39
+
1
x
=
4
(5)
−3
x
+
3
15
=
2
2
−3
x
+
3
=
15
−3
x
=
15
−
3
x
=
−4