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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
=
8
(A)
−5
x
=
−25
(B)
x
−
4
=
4
(C)
5
x
=
−35
(2)
x
=
−1
(A)
x
=
−5
(B)
−
x
−
8
=
−7
(C)
10
x
=
−20
(3)
x
=
−8
(A)
−4
x
＋
4
=
44
(B)
−
x
=
8
(C)
−5
x
=
5
(4)
x
=
−2
(A)
x
−
7
=
−13
(B)
x
＋
2
=
0
(C)
8
x
＋
8
=
48
(5)
x
=
2
(A)
x
＋
4
=
6
(B)
−10
x
−
3
=
−63
(C)
−
x
＋
2
=
12
(6)
x
=
−7
(A)
x
＋
2
=
−1
(B)
2
x
−
4
=
−18
(C)
−10
x
＋
1
=
71
(7)
x
=
−8
(A)
4
x
=
36
(B)
−5
x
＋
9
=
49
(C)
8
x
＋
3
=
83
(1)
(B)
(2)
(B)
(3)
(B)
(4)
(B)
(5)
(A)
(6)
(B)
(C)
(7)
(B)