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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)
x
+
7
=
−2
(A)
x
=
−5
(B)
x
=
−9
(C)
x
=
−7
(2)
−5
x
−
6
=
−16
(A)
x
=
−7
(B)
x
=
−6
(C)
x
=
2
(3)
10
x
=
−10
(A)
x
=
−1
(B)
x
=
1
(C)
x
=
7
(4)
x
−
2
=
−1
(A)
x
=
3
(B)
x
=
1
(C)
x
=
−2
(5)
x
+
7
=
−3
(A)
x
=
3
(B)
x
=
−9
(C)
x
=
−10
(6)
2
x
=
−12
(A)
x
=
−6
(B)
x
=
9
(C)
x
=
4
(7)
7
x
=
56
(A)
x
=
8
(B)
x
=
−7
(C)
x
=
−6
(1)
(B)
(2)
(C)
(3)
(A)
(4)
(B)
(5)
(C)
(6)
(A)
(7)
(A)