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16 July, 03:55

What is the value of z in the equation 5z - 9 = 36? 4 5 6 9

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Answers (2)
  1. 16 July, 05:32
    0
    First of all, move the known term (-9) at the left of the equal with changed sign.

    5z = 36+9

    5z = 45

    Divide both terms by 5

    5z/5 = 45/5

    z = 9
  2. 16 July, 05:57
    0
    5z - 9 = 36

    add 9 to both sides

    5z - 9 + 9 = 36 + 9

    5z = 45

    divide both sides by 5

    5z / 5 = 45 / 5

    z = 9
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