Find x, y, z, and w. [x 6 (2x-1) y 9 9y] = [(2x-3) z 5 7 (w+1) (8y+7)]

Question

Find x, y, z, and w.
[x 6 (2x-1) y 9 9y] = [(2x-3) z 5 7 (w+1) (8y+7)]

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Serenity 2 months 2021-10-13T10:10:14+00:00 1 Answer 0 views 0

Answers ( )

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    2021-10-13T10:11:17+00:00

    Answer:

      (x, y, z, w) = (3, 7, 6, 8)

    Step-by-step explanation:

    Your list equation seems to resolve to 6 equations:

    • x = 2x -3
    • 6 = z
    • 2x -1 = 5
    • y = 7
    • 9 = w +1
    • 9y = 8y +7

    The first equation tells you …

      0 = x -3 . . . . . subtract x

      3 = x . . . . . . . add 3

    We can check this in the third equation:

      2(3) -1 = 5 . . . true

    The fifth equation tells you …

      8 = w . . . . . . . subtract 1

    We can check the value of y in the last equation:

      9(7) = 8(7) +7 . . . true

    The variable values are …

      (x, y, z, w) = (3, 7, 6, 8)

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