which ofthe following are equalivilent to -7? -49/-7 0/-7 49/-7 -21/3 21/3

Question

which ofthe following are equalivilent to -7?
-49/-7
0/-7
49/-7
-21/3
21/3

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niczorrrr 6 months 2021-07-18T05:16:50+00:00 1 Answers 4 views 0

Answers ( )

    0
    2021-07-18T05:18:34+00:00

    -49/-7, 49/-7, -21/3

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )