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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
=
1
(A)
x
＋
6
=
7
(B)
x
−
5
=
−4
(C)
−4
x
=
36
(2)
x
=
9
(A)
−9
x
−
3
=
−57
(B)
−4
x
−
3
=
−43
(C)
−3
x
−
3
=
−30
(3)
x
=
−2
(A)
x
＋
7
=
9
(B)
x
＋
8
=
6
(C)
x
＋
3
=
−3
(4)
x
=
7
(A)
9
x
＋
5
=
−76
(B)
9
x
=
63
(C)
−5
x
=
−30
(5)
x
=
2
(A)
8
x
＋
2
=
74
(B)
3
x
＋
9
=
15
(C)
10
x
=
70
(6)
x
=
−10
(A)
−8
x
=
80
(B)
−
x
=
10
(C)
x
＋
3
=
9
(7)
x
=
9
(A)
−7
x
＋
1
=
29
(B)
5
x
＋
1
=
46
(C)
x
−
8
=
−5
(1)
(A)
(B)
(2)
(C)
(3)
(B)
(4)
(B)
(5)
(B)
(6)
(A)
(B)
(7)
(B)