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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
=
−70
(A)
x
=
−8
(B)
x
=
7
(C)
x
=
−9
(2)
x
−
3
=
−10
(A)
x
=
7
(B)
x
=
0
(C)
x
=
−7
(3)
x
＋
2
=
5
(A)
x
=
−8
(B)
x
=
3
(C)
x
=
−7
(4)
5
x
＋
8
=
13
(A)
x
=
−10
(B)
x
=
1
(C)
x
=
6
(5)
−7
x
=
−7
(A)
x
=
1
(B)
x
=
3
(C)
x
=
7
(6)
10
x
−
7
=
23
(A)
x
=
3
(B)
x
=
10
(C)
x
=
−1
(7)
x
−
8
=
−3
(A)
x
=
−10
(B)
x
=
7
(C)
x
=
5
(1)
(B)
(2)
(C)
(3)
(B)
(4)
(B)
(5)
(A)
(6)
(A)
(7)
(C)