Genius1R Genius1R
  • 22-05-2020
  • Mathematics
contestada

The average of 8 and x = 3. What is x?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 22-05-2020

Answer:

x= -2

Step-by-step explanation:

The average of 8 and x

(8+x)/2

is 3

(8+x)/2  = 3

Multiply each side by 2

(8+x)/2 *2  = 3*2

8+x = 6

Subtract 8 from each side

8+x-8 = 6-8

x = -2

Answer Link

Otras preguntas

Introductory APRs can lower the total amount paid on a credit card balance, but what happens after the rate increases? Suppose you were trying to decide betwee
3x+y=14 2x-3y+13 solve by substitution
How many 4-digit numbers exist?
I need help plzzzzzxz
which observation describes a way that early hunter-gatherer societies may have affected their environment? A. invasive species outcompeted native species in ec
Paul is a stockbroker in a very fast-paced and stressful office environment. the stress is exacerbated by the fact that his boss, mr. limburger, is a micromanag
Pedro: Ve derecho hasta la catedral. Paula: ¿Y después? Roberto: _________ A. Doble a la izquierda. B. Vira a la izquierda. C. Gira a la
Given a right prism where p is the perimeter of the base, h is the height, BA is the area of the bases, and LA is the lateral area, what is the surface area?
Please help! 11 pts. Joel used candle molds, as shown, to make candles that were perfect cylinders and spheres: A cylindrical mold is shown, the radius of the
Gangrene is a life-threatening condition that results due to A. the death of cells and tissues. B. too much blood supply to affected cells. C.