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月 日（ ）
● 次の方程式の解として正しいものを選びなさい
[0D1-00]
(1)
−10
x
=
−20
(A)
x
=
0
(B)
x
=
2
(C)
x
=
1
(2)
x
=
3
(A)
x
=
5
(B)
x
=
3
(C)
x
=
−1
(3)
x
−
2
=
6
(A)
x
=
7
(B)
x
=
8
(C)
x
=
10
(4)
x
＋
6
=
2
(A)
x
=
7
(B)
x
=
6
(C)
x
=
−4
(5)
−3
x
=
12
(A)
x
=
8
(B)
x
=
6
(C)
x
=
−4
(6)
5
x
＋
10
=
−30
(A)
x
=
−8
(B)
x
=
8
(C)
x
=
−1
(7)
−3
x
=
−3
(A)
x
=
3
(B)
x
=
−5
(C)
x
=
1
(1)
(B)
(2)
(B)
(3)
(B)
(4)
(C)
(5)
(C)
(6)
(A)
(7)
(C)