DJS1147
DJS1147 DJS1147
  • 15-10-2016
  • Mathematics
contestada

Please solve 21=5n-2(n-3)

Respuesta :

SJ2006
SJ2006 SJ2006
  • 15-10-2016

21 = 5n-2(n-3)

21 = 5n-2n+6

21-6 = 3n

n=15/3

n=5

Answer Link
madhattedlady
madhattedlady madhattedlady
  • 15-10-2016
5=n because you multiply -2 times n then -3 then you add -2n with 5n then subtract 6 from both sides and finally divide by 3
Answer Link

Otras preguntas

use the GCF to factor 30+40
Barry wants to cut a wooden board that is 16 feet long into sections measuring 2 2/3 inches long. how many sections can john cut?
Someone help me please
The correct sequence of parts that carry cardiac impulses is
The client with a laryngectomy does not want to be observed by the family because the opening in the throat is "disgusting." the nurse should:
​for most homeowners, the most important financial benefit from owning a home is that it is:
What role did the UN play in this crisis ? Did I'M involvement seem to help or hurt the situation?
How do you find the range of a rational function with a slant asymptote?
Chris is twice as old as Don, and next year the sum of their ages will be four times as much as Don’s age last year. Find their present ages.
Find the equation of the sphere for which the line segment pq connecting p(4,2,1) and q(5,-1,3) is the diameter