alexia30
alexia30 alexia30
  • 13-03-2017
  • Mathematics
contestada

please explain how you got your answer (:

please explain how you got your answer class=

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 13-03-2017
I used math

anyway
remember you can do anything to an equation as long as you do it to both sides

so

4n+2 and 1/2=2n+5
minus 2n both sides
4n-2n+2 and 1/2=2n-2n+5
2n+2 and 1/2=0+5
2n+2 and 1/2=5
minus 2 and 1/2 both sides
2n=2 and 1/2
divide both sides by 2
I mean times both sides by 1/2
n=1 and 1/4

answer is C
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