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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)
−6
x
+
3
=
−17
3
(2)
−4
x
+
5
17
=
6
6
(3)
−7
x
+
2
=
3
10
(4)
2
x
+
7
19
=
10
10
(5)
2
x
−
8
2
=
3
3
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
−6
x
+
3
=
−17
3
−6
x
+
3
=
−51
−6
x
=
−51
−
3
x
=
9
(2)
−4
x
+
5
17
=
6
6
−4
x
+
5
=
17
−4
x
=
17
−
5
x
=
−3
(3)
−7
x
+
2
=
3
10
−7
x
+
2
=
30
−7
x
=
30
−
2
x
=
−4
(4)
2
x
+
7
19
=
10
10
2
x
+
7
=
19
2
x
=
19
−
7
x
=
6
(5)
2
x
−
8
2
=
3
3
2
x
−
8
=
2
2
x
=
2
+
8
x
=
5