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27 June, 00:07

How to spimplify the expression 19z-19z =

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  1. 27 June, 00:29
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    Step-by-step explanation:

    19z-19z=0

    this is because z is always equivalent to itself, and therefore 19z is equivalent to 19z

    When you subtract two numbers that are equivalent, you will always get 0
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