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5 was multiplied by a particular number. This product was then added to 14, then divided by 31. The resulting quotient was -1. Give the initial number.

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Answer:

-9

Backwards engineering. Running -9 through the calculator did the trick.

  b

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8  

my guess would be b and d, but i didn’t actually get out the pen and paper. lol

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