Genius1R Genius1R
  • 22-05-2020
  • Mathematics
contestada

the average of 8 and what number = 3

Respuesta :

theasiankid theasiankid
  • 22-05-2020

Answer:

-2

Step-by-step explanation

8+x/2=3

2(8+x/2)=3(2)

8+x=6

8-8+x=6-8

x=-2

Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 22-05-2020

Answer:

The number is -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 this businesses main aim?
What is the opposite word of accept
what issue did the Great Compromise address
The stock market dropped 4 points each day for 7/1/2 days. How many points has it changed since before if dropped?
At last, the top of the staircase was gained, and they stopped for the third time. Based on the context, the word gained is used to mean which of the following
-l0 = -2+1/2 d solved for d
What does the irony in these excerpts from “In Another Country” by Ernest Hemingway convey? The doctor came up to the machine where I was sitting and said: "Wha
The product of 5 and a number x is 14 . Which statements are true? Select each correct answer. x5=14 5x=14 x+5=14 x=120 x=54 x=−194
which is bigger 0.17 meter or 0.165 meter
(10−5 2/3)⋅(−2)+x=8 2/3