25. (REI.5) What is the value of y in the following system of equations? 3y = 2x-6 x + y = 8 A. 2 B. 6 C

Question

25. (REI.5) What is the value of y in the
following system of equations?
3y = 2x-6
x + y = 8
A. 2
B. 6
C. -2
D. -6

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Ladonna 3 years 2021-08-28T17:07:39+00:00 2 Answers 0 views 0

Answers ( )

  1. thienan
    0
    2021-08-28T17:09:18+00:00
    Reply

    Answer:

    6

    Step-by-step explanation:

    x +y = 8

    -x. -x

    y = 8 – ×

    substitute into the 1st equation

    3(8 – x) = 2x – 6

    24 – 3x = 2x – 6

    +6. +6

    30 – 3x = 2x

    +3x. +3x

    30 = 5x

    ÷ by 5

    x = 6

  2. Helga
    0
    2021-08-28T17:09:20+00:00
    Reply

    I think it’s b my guy

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