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30 September, 02:42

Solve fot z show all your work. 7z - 18 = 2z + 18

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  1. 30 September, 02:50
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    z = 36/5

    Step-by-step explanation:

    7z - 18 = 2z + 18

    Subtract 2z from each side

    7z-2z - 18 = 2z-2z + 18

    5z - 18 = 18

    Add 18 to each side

    5z-18+18 = 18+18

    5z = 36

    Divide by 5

    5z/5 = 36/5

    z = 36/5
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