5x + 4y +3z = 14 x = 3z -22 z = 6 What is the y-value of the solution?

Question

5x + 4y +3z = 14 x = 3z -22 z = 6 What is the y-value of the solution?

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Savannah 2 weeks 2021-09-10T06:17:04+00:00 1 Answer 0

Answers ( )

    0
    2021-09-10T06:18:49+00:00

    x = 3z – 22
    z = 6
    5x + 4y + 3z = 14
    5 (3z – 22) + 4y + 3 (6) = 14
    15z – 110 + 4y + 18 = 14
    15 . 6 – 110 + 4y + 18 = 14
    90 – 110 + 4y + 18 = 14
    90 – 110 + 18 – 14 + 4y = 0
    -16 + 4y = 0
    4y = 16
    y = 4

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45:7+7-4:2-5:5*4+35:2 =? ( )