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

Ross needs to buy a countertop for a laundry room. He calculated the area to be 12 square feet. The actual area is 11.8 square feet. What is Ross's percentage e
What would happen to the equilibrium mixture if the chlorine gas was allowed to escape? (explain your answer )
an equation stating that two ratios and rates are equivalent is a(n)
if something is made of cells then it?
name the biome that has nutrient rich soil and is most often used for agriculture
Which of the following was the first natural barrier to expansion of the frontier for American colonists?
6x-5y=22 y=-8 using systems of equations by substitution
The length of a rectangle is 5 inches less than three times its width. The perimeter is 86 inches. Find the length and width. Write an equation and solve. Plea
John and mary went to the mall. Is this a sentence or fragment?
how would you classify the relationship between the age of people on the number of books they read