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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)
x
＋
3
=
−6
(B)
−9
x
=
−90
(C)
−3
x
=
−18
(2)
x
=
10
(A)
x
−
2
=
4
(B)
7
x
＋
10
=
52
(C)
−6
x
＋
10
=
−50
(3)
x
=
3
(A)
−3
x
=
−6
(B)
−10
x
−
1
=
−101
(C)
−7
x
=
−21
(4)
x
=
−9
(A)
−6
x
=
54
(B)
2
x
=
−2
(C)
x
−
3
=
−8
(5)
x
=
1
(A)
x
−
4
=
−3
(B)
x
−
8
=
−2
(C)
3
x
=
−18
(6)
x
=
−1
(A)
−6
x
−
4
=
2
(B)
3
x
−
3
=
−21
(C)
x
−
5
=
−9
(7)
x
=
−6
(A)
x
＋
5
=
8
(B)
x
＋
7
=
1
(C)
x
＋
9
=
1
(1)
(C)
(2)
(C)
(3)
(C)
(4)
(A)
(5)
(A)
(6)
(A)
(7)
(B)