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17 April, 23:29

How to solve - 3z+1=7 step by step

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Answers (2)
  1. 18 April, 00:42
    0
    -2

    Step-by-step explanation:

    -3z+1=7

    -3z = 7-1

    -3z=6 / : (-3)

    z = - 2
  2. 18 April, 01:14
    0
    z=-2

    Step-by-step explanation:

    We must cancel out the one by subtracting it by 7 which gives

    = - 3z=6

    Now we divide by 3 which gives

    =-z=2

    Now it is minus. To get it positive we must make the 3 negative

    z=-2
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