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月 日( )
● 次の解が 解として適当な方程式を選びなさい
[0D0-00]
(1)
x
=
4
(A)
x
−
5
=
−1
(B)
x
+
3
=
13
(C)
−9
x
=
−72
(2)
x
=
6
(A)
7
x
+
5
=
47
(B)
x
−
9
=
−10
(C)
−
x
=
5
(3)
x
=
−6
(A)
x
−
3
=
7
(B)
x
+
2
=
6
(C)
5
x
=
−30
(4)
x
=
−8
(A)
−8
x
=
−8
(B)
−3
x
+
5
=
29
(C)
2
x
+
8
=
16
(5)
x
=
−1
(A)
8
x
−
6
=
−78
(B)
8
x
=
−8
(C)
5
x
−
2
=
−32
(6)
x
=
4
(A)
7
x
+
5
=
54
(B)
−3
x
=
6
(C)
x
+
7
=
11
(7)
x
=
−3
(A)
8
x
=
−24
(B)
x
−
5
=
−10
(C)
−3
x
=
30
(1)
(A)
(2)
(A)
(3)
(C)
(4)
(B)
(5)
(B)
(6)
(C)
(7)
(A)