lollol
lollol lollol
  • 03-03-2016
  • Mathematics
contestada

What is a number 27 greater than twice the opposite of itself?

Respuesta :

unicorn3125
unicorn3125 unicorn3125
  • 03-03-2016
the number:                                n
opposite number:                     -n
twice the opposite number:      2·(-n)=-2n
27 greater then -2n:                  -2n+27

 
n = -2n + 27
n + 2n = 27
 3n = 27
3·n = 3·9
 n = 9

Answer Link

Otras preguntas

64.0085 nearest hundredth
Read the passage. Whether this prophecy is ever fulfilled or not, it is nevertheless plain that a very different-looking class of people are springing up at the
What was the importance of brass instruments to the Roman Army? Which instruments did they use? How did they use them? How are brass instruments still used in t
Why is earths magnetic field absolutely critical to sustaining life on earth
In the late 1800s and 1900s, reformers helped immigrants assimilate into American culture by
The united states prost office is most likely to be what type of corporation?
wath rhyms with edge
What does the word Justified means, for example in this Question "were the American colonists justified in waging war and breaking away from Britain? tell me wh
The main purpose for Hammurabi’s code was
What kind of person was Casca