guanaco1992 guanaco1992
  • 03-05-2018
  • Mathematics
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the quotient of a number and 9 is equal to the same number decreased by 40. what is the number

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Americ
Americ Americ
  • 03-05-2018
Quotient is the result of dividing two numbers.

x= the unknown number

The equation is x divided by 9 equals x minus 40.


x/9= x - 40
multiply both sides by 9

(9)(x/9)= (9)(x - 40)
x= 9x - 360

subtract 9x from both sides
-8x= -360

divide both sides by -8
x= 45


ANSWER: The number is 45.

Hops this helps! :)
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