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21-01-2016
Mathematics

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What is 87 less than the quotient of an unknown number and 43 is -75.

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Billymkhoi Billymkhoi

21-01-2016

We set up an equation: ?/43 -87= -75
⇒ ?/43= -75+ 87
⇒ ?/43= 12
⇒ ?= 12*43
⇒ ?= 516

The unknown number is 516~

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