LegoToast
contestada

If
d-3n/
7n-d
= 1
Which of the following statements describes d in terms of n?
(Hint: Solve for d.)
d is less than n
Od is 4 more than n
d is of n
Od is 5 times n

Respuesta :

sqdancefan

Answer:

  (4)  d is 5 times n

Step-by-step explanation:

You want the statement that describes d in terms of n, given ...

  (d -3n)/(7n -d) = 1

Solution

Multiplying by 7n-d gives ...

  d -3n = 7n -d

  2d = 10n . . . . . . . . . add d +3n

  d = 5n . . . . . . . . . . divide by 2

The relation is described by ...

  d is 5 times n . . . . . . choice 4

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