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

what is sugar art? could you help me?
what is red snapper? could you help me?
A 1.0 kg book is lifted 0.5 m above the table , but the table is 1.0 m above the floor , what would be the P.E of the book if the reference level where the flo
If -nx2 + tx + c = 0, what is x equal to?
A kitten pushes a ball of yarn rolling toward it at 1.00 cm/s with its nose, displacing the ball of yarn 17.5 cm in the opposite direction in 2.00 s. What is th
a spoon can sound like a bell. Explain scientifically in detail.
State a conclusion that seems reasonable.A teacher gave all her classes a true-false test on seven consecutive Mondays. Today is Monday. Conclusion:
you measure that it takes 0.75 seconds for a leaf to fall from a tree to the ground. the leaf experiences air resistance as it falls. if there were no air resis
what are the main voice types in singing?
You kick a ball with a speed of 14 m/s at an angle of 51°. How far away does the ball land?