vievy vievy
  • 01-10-2021
  • Mathematics
contestada

Find the value of x if the arithmetic mean of 3 and 3x+5 is 8?

Respuesta :

JohnAnkrah
JohnAnkrah JohnAnkrah
  • 01-10-2021

Answer:

3x

Step-by-step explanation:

3x+5=8

Group like terms

3x=8-5

3x=3

Divide both side by the co-efficient of x which is 3

3x/3=3/3

x=1

Answer Link

Otras preguntas

Why did the United States go to war with Britain, and what was the outcome of that war?
A=2x+6xz solve for x I need help immediately please
which of the following transport mechanism utilizes energy
simplify 4i(-2 - 8i ) =
16/18 reduced to lowest term
Order these units from smallest to largest: cm,um,km,mm,m,nm,dm,pm Give each a measurement in terms of meters.
How do you think nationalism might help revolutionaries overcome the disadvantages of old weapons and poor supplies to win a war for national independence? Exp
Name the three elements that blend to make early Medieval art.
How do lipids enable animals to survive for months without eating any food? a. lipids store energy that is used when food supply is low. b. lipids release ene
Smokers' risk of heart attack is _______ times the risk of nonsmokers. Select one: a. two to four b. four to six c. six to eight d. eight to ten