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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
+
4
=
1
(A)
x
=
1
(B)
x
=
10
(C)
x
=
−3
(2)
−4
x
+
10
=
−18
(A)
x
=
−10
(B)
x
=
1
(C)
x
=
7
(3)
−5
x
+
1
=
−39
(A)
x
=
−3
(B)
x
=
8
(C)
x
=
−1
(4)
2
x
+
5
=
21
(A)
x
=
9
(B)
x
=
−6
(C)
x
=
8
(5)
x
=
−1
(A)
x
=
−4
(B)
x
=
−1
(C)
x
=
4
(6)
4
x
=
−16
(A)
x
=
−4
(B)
x
=
9
(C)
x
=
5
(7)
x
−
4
=
−7
(A)
x
=
2
(B)
x
=
−1
(C)
x
=
−3
(1)
(C)
(2)
(C)
(3)
(B)
(4)
(C)
(5)
(B)
(6)
(A)
(7)
(C)