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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
[0E1-20]
(1)
9
7
−
x
=
5
4
(2)
3
−
x
=
0
4
(3)
13
2
x
=
9
9
(4)
4
−
x
=
0
3
(5)
7
4
x
=
−
4
7
(6)
3
x
=
0
5
(7)
1
1
−
x
=
3
2
(8)
12
3
−
x
=
7
7
(9)
4
17
x
=
−
5
9
(10)
7
1
−
x
=
6
3
(11)
2
9
x
=
7
5
(12)
1
2
x
=
10
9
(13)
7
9
−
x
=
4
5
(14)
2
−
x
=
0
3
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
9
7
−
x
=
5
4
x
35
=
−
36
(2)
3
−
x
=
0
4
x
=
0
(3)
13
2
x
=
9
9
x
2
=
13
(4)
4
−
x
=
0
3
x
=
0
(5)
7
4
x
=
−
4
7
x
16
=
−
49
(6)
3
x
=
0
5
x
=
0
(7)
1
1
−
x
=
3
2
x
3
=
−
2
(8)
12
3
−
x
=
7
7
x
1
=
−
4
(9)
4
17
x
=
−
5
9
x
85
=
−
36
(10)
7
1
−
x
=
6
3
x
2
=
−
7
(11)
2
9
x
=
7
5
x
63
=
10
(12)
1
2
x
=
10
9
x
20
=
9
(13)
7
9
−
x
=
4
5
x
36
=
−
35
(14)
2
−
x
=
0
3
x
=
0