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what is 4k-8k

a -4

b -4k

c 4

d 4k

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Andrea R. | Stay-at-Home Mom with BSBA in Accounting and Human Resource ManagementStay-at-Home Mom with BSBA in Accounting...
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What is 4 - 8? It is -4.

So 4k - 8k = -4k

Think of it like this:  Say k is equal to $1. I have $4 in the bank and I spend $8. What is my bank balance now? $-4.