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7 October, 07:51

Subtract (9z-3) - (9z+1)

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  1. 7 October, 08:12
    0
    X=-4

    Step-by-step explanation:

    Distribute the Negative Sign:

    9z-3+-1 (9z+1)

    9z+-3+-1 (9z) + (-1) (1)

    9z+-3+-9z+-1

    Combine Like Terms:

    9z+-3+-9z+-1

    (9z+-9z) + (-3+-1)

    X=-4
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