lucy2001 lucy2001
  • 23-09-2014
  • Mathematics
contestada

ann has the 5 newest music CD's which is 3 less than twice the amount that Bob has.

Respuesta :

SlowZasob
SlowZasob SlowZasob
  • 23-09-2014
We can write it down as:

5 = 2x - 3             / + 3 (both sides)
8 = 2x                  / : 2 (both sides)
x = 4

Bob has 4 CDs. Let's check it:

5 = 2 * 4 - 3
5 = 8 - 3
5 = 5

Correct.
Answer Link

Otras preguntas

How would you find the slope if the equation was y=4. Please Help!?!?!
What impact has Buddhism made on the world today?
What would a network tree most likely be used for??
The.......... is an appropriate unit to measure the capacity of a hand sanitizer bottle
sin2x-1=0 principle values? X= ?
Find the value of 15.0 n in pounds. use the conversions 1slug=14.59kg and 1ft=0.3048m.
what are 4 basic functions of a basic computer?
Read this sentence: A "Big Year" is a year in which a person attempts to see as many different species of birds as possible within a particular region. What doe
A book that weighs 0.35 kilograms is kept on a shelf that’s 2.0 meters above the ground. A picture frame that weighs 0.5 kilograms will have the same gravitatio
write a sentence to describe the expression: -9-5x