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2 December, 18:01

I don't know what I did wrong but I got - 36

Z=9

8z-3 (z+3) =

+4
Answers (1)
  1. 2 December, 18:23
    0
    z = - 1.8

    Step-by-step explanation:

    8z - 3 (z+3)

    leave 8z and multiply - 3*z = - 3z and - 3*3 = - 9

    8z - 3z = - 9

    add 3z to 8z and get 5

    5z = - 9

    divide

    -9 : 5z

    z = - 1.8
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