Solve simultaneously 4X + 3y= 19 2X +5y= 20

Question

Solve simultaneously

4X + 3y= 19
2X +5y= 20

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Dulcie 4 years 2021-08-09T11:31:15+00:00 2 Answers 13 views 0

Answers ( )

  1. linhdan
    0
    2021-08-09T11:32:54+00:00
    Reply

    Answer:

    x=5/2 or x=2.5 and y=3

    Step-by-step explanation:

  2. Adela
    0
    2021-08-09T11:32:56+00:00
    Reply

    answer

    4

    2

    Step-by-step explanation:

    4x+3y=19

    4x=19-3y

    4x=16

    x=16/4

    x=4

    2x+5y=20

    5y=20/2x

    5y= 10

    y=10/5

    y=2

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