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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
+
9
=
13
(A)
x
=
4
(B)
x
=
−6
(C)
x
=
−3
(2)
x
+
2
=
−6
(A)
x
=
−8
(B)
x
=
3
(C)
x
=
5
(3)
10
x
+
9
=
−31
(A)
x
=
4
(B)
x
=
−7
(C)
x
=
−4
(4)
x
−
9
=
−17
(A)
x
=
−8
(B)
x
=
−7
(C)
x
=
8
(5)
x
−
3
=
4
(A)
x
=
7
(B)
x
=
9
(C)
x
=
−1
(6)
10
x
+
1
=
51
(A)
x
=
5
(B)
x
=
−10
(C)
x
=
3
(7)
−10
x
=
−10
(A)
x
=
−4
(B)
x
=
1
(C)
x
=
6
(1)
(A)
(2)
(A)
(3)
(C)
(4)
(A)
(5)
(A)
(6)
(A)
(7)
(B)