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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
=
9
(A)
x
−
4
=
5
(B)
x
−
9
=
−16
(C)
x
+
4
=
−6
(2)
x
=
8
(A)
7
x
=
−42
(B)
x
+
3
=
0
(C)
x
−
1
=
7
(3)
x
=
−10
(A)
5
x
−
1
=
−51
(B)
9
x
=
−90
(C)
−9
x
=
−18
(4)
x
=
−8
(A)
6
x
=
18
(B)
3
x
+
10
=
−14
(C)
4
x
=
−32
(5)
x
=
−1
(A)
x
−
4
=
−5
(B)
−6
x
+
5
=
53
(C)
6
x
−
9
=
9
(6)
x
=
−8
(A)
−2
x
=
−16
(B)
4
x
=
−32
(C)
x
−
4
=
−8
(7)
x
=
−10
(A)
6
x
=
−60
(B)
x
−
3
=
−4
(C)
−4
x
+
5
=
13
(1)
(A)
(2)
(C)
(3)
(A)
(B)
(4)
(B)
(C)
(5)
(A)
(6)
(B)
(7)
(A)