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Simora [160]
3 years ago
10

What is the correct answer ? Please explain !!

Mathematics
1 answer:
I am Lyosha [343]3 years ago
4 0
The correct answer is D because the z cancels each other out

think of it this way: -1z +1z=0
place a number in front to help you remeber there is a 1 in front of the variable
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Step-by-step explanation:

It should have been, write problem

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Step-by-step explanation:

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