Find the value of y in the following system of equations. 21x – 7y + 512= 141 13x + 9y – 5z = -19 192 8y + 232 = 30

Question

Find the value of y in the following system of equations.
21x – 7y + 512= 141
13x + 9y – 5z = -19
192 8y + 232 = 30

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Tryphena 4 years 2021-08-06T14:16:52+00:00 2 Answers 12 views 0

Answers ( )

  1. nguyetanh
    0
    2021-08-06T14:18:05+00:00
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    Answer:

    21x – 7y + 512= 141  equals y= j^21x/7 + 53

    13x + 9y – 5z = -19  equals  y= -19/9 – 13x/9 + 5z/9

    192 8y + 232 = 30 equals

    x-3 = 6

    4x=8

    2x = 16

  2. Eirian
    0
    2021-08-06T14:18:38+00:00
    Reply

    Answer:

    y=3x+53

    y=-19/9 -13x/9 +5z/9

    Step-by-step explanation:

    i only did one and two sorry:/

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