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28 April, 19:28

2z-18-4z=-8 what is the value of z

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Answers (1)
  1. 28 April, 20:20
    0
    The z is 5

    -2⋅z=-8+18

    -

    2



    z

    =

    -

    8

    +

    18

    Simplify:

    -2⋅z=10

    -

    2



    z

    =

    10

    Dividing by the variable coefficient:

    z=-

    10

    2

    z

    =

    -

    10

    2

    Simplify:

    z=-5

    z

    =

    -

    5

    The solution of equation

    2⋅z-18-4⋅z=-8

    2



    z

    -

    18

    -

    4



    z

    =

    -

    8

    is

    [-5]
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