Solve the system of equation by elimination. x+2y= -7 -x-2y=8 A. (8,7) B. No solution C. (-7,8)

Question

Solve the system of equation by elimination.

x+2y= -7
-x-2y=8

A. (8,7)
B. No solution
C. (-7,8)
D. (-8,7)

If you can, please explain step by step:)

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Helga 3 years 2021-08-27T18:55:26+00:00 2 Answers 7 views 0

Answers ( )

  1. Farah
    0
    2021-08-27T18:56:26+00:00
    Reply

    Answer: D

    Step-by-step explanation:

  2. Amity
    0
    2021-08-27T18:56:30+00:00
    Reply

    D. (-8,7) just do it

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