y = 4x + 20 8x – 2y = -20 what is the solution and how is it that solution?​

Question

y = 4x + 20 8x – 2y = -20
what is the solution and how is it that solution?​

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Thanh Hà 4 years 2021-08-21T17:41:28+00:00 1 Answers 5 views 0

Answers ( )

  1. thuhuong
    0
    2021-08-21T17:43:18+00:00
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    Step-by-step explanation:

    y = 4x + 20

    8x -2y = -20

    8x – 2(4x + 20) = -20

    8x – 8x – 40 = -20

    8x – 8x = -20 + 40

    0 = 20, so x = 0

    y = 4x + 20

    y = 4(0) + 20

    y = 20

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