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.

Answer Link

Otras preguntas

Most of the imagery in a poem is designed to appeal to the reader's A. intellect and thoughts. B. ideas and concepts. C. imagination and logic.
Describe each plate boundary – transform, convergent, divergent. How do the plates move at each of these, what happens, and what features form (i.e. – trench,
In the thomson model of the atom, where was the positive charge located?
Which of the following best describes homeostasis? The maintenance of an organisms internal environment within certain limits. The maintenance of an organisms e
calcuate the percent error if the value fir a tge student measuref volume is 3.65 no and the accepted volume is 3.54 ml
What is the independent variable in this experiment? A) temperature B) Number of chirps C) Number of crickets D) Location of the laboratory
What method allowed soil to recover from cash crop production but was impossible for poor farmers
Ecological metaphors are
En mi clase hay ____ chicas. cuarenta y una treinta y un cuarenta y un hay ____ mapas en la biblioteca. mil miles mil una hay ____ fotografías sobre el escrito
What is the charge of a hypothetical ion with 85 protons and 87 electrons?