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月 日（ ）
● 次の解が 解として適当な方程式を選びなさい
[0D0-00]
(1)
x
=
6
(A)
6
x
=
6
(B)
x
=
10
(C)
−2
x
=
−12
(2)
x
=
−7
(A)
x
＋
3
=
−4
(B)
−6
x
=
30
(C)
x
＋
6
=
3
(3)
x
=
−10
(A)
5
x
=
20
(B)
−3
x
＋
6
=
12
(C)
x
−
1
=
−11
(4)
x
=
2
(A)
6
x
=
12
(B)
x
−
10
=
−11
(C)
4
x
=
20
(5)
x
=
2
(A)
x
＋
1
=
0
(B)
−5
x
=
−10
(C)
9
x
＋
5
=
95
(6)
x
=
−7
(A)
9
x
＋
8
=
−55
(B)
−6
x
＋
3
=
−15
(C)
6
x
=
−42
(7)
x
=
−7
(A)
x
−
1
=
−8
(B)
x
−
5
=
−11
(C)
−3
x
=
−6
(1)
(C)
(2)
(A)
(3)
(C)
(4)
(A)
(5)
(B)
(6)
(A)
(C)
(7)
(A)