PLEASE HELP -4x – y = 1 – 9x + 9 = y ( ) , ( ) ?

Question

PLEASE HELP
-4x – y = 1
– 9x + 9 = y
( ) , ( ) ?

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Khoii Minh 6 months 2021-09-04T10:35:47+00:00 1 Answers 0 views 0

Answers ( )

  1. thongdat2
    0
    2021-09-04T10:37:41+00:00
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    Answer:

    (2, -9)

    Step-by-step explanation:

    -4x-(-9x+9)=1

    x=2

    -9×2+9=y

    y=-9

    (x, y)=(2,-9)

    hope this helps

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