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28 October, 11:12

What is 6*5*4*7+z=9831

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Answers (2)
  1. 28 October, 11:36
    0
    Z=8711

    6*5=30

    30*4=160

    160*7=1120

    9831-1120=8711
  2. 28 October, 13:34
    0
    6*5*4*7+z=9831

    We move all terms to the left:

    6*5*4*7+z - (9831) = 0

    z-9831+6*5*4*7=0

    We add all the numbers together, and all the variables

    z-8991=0

    We move all terms containing z to the left, all other terms to the right

    z=8991
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