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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
=
3
(A)
4
x
=
32
(B)
x
＋
6
=
9
(C)
−7
x
−
8
=
−64
(2)
x
=
8
(A)
−6
x
=
−6
(B)
−2
x
−
1
=
15
(C)
2
x
−
7
=
9
(3)
x
=
−3
(A)
2
x
=
−6
(B)
x
−
6
=
1
(C)
−7
x
−
6
=
8
(4)
x
=
5
(A)
x
＋
9
=
14
(B)
−2
x
−
8
=
−20
(C)
x
−
6
=
2
(5)
x
=
4
(A)
−3
x
＋
7
=
−8
(B)
−4
x
＋
10
=
−6
(C)
x
＋
8
=
−2
(6)
x
=
−4
(A)
4
x
＋
7
=
−21
(B)
−5
x
＋
2
=
22
(C)
x
＋
8
=
14
(7)
x
=
3
(A)
−6
x
=
−18
(B)
x
＋
6
=
12
(C)
−2
x
−
7
=
13
(1)
(B)
(2)
(C)
(3)
(A)
(4)
(A)
(5)
(B)
(6)
(B)
(7)
(A)