sarhasmallwood3 sarhasmallwood3
  • 23-01-2019
  • Mathematics
contestada

twice the difference of a number and 7 is equal to three times the sum of the number and 4 find the number

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 24-01-2019

Answer:

  -26

Step-by-step explanation:

Let n represent the number.

  2(n -7) = 3(n +4)

  2n -14 = 3n +12 . . . . eliminate parenthses

  -26 = n . . . . . . . . . . . add -2n-12

The number is -26.

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