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

solve 5 ones 3 tenths -0.53
Then, name an event that you think illustrates the changing perceptions of authority within the United States in the 1960s and 1970s and explain your reasoning.
What does the product of any whole-number factor multiplied by 100 always have ? Explain
How did the English bill of rights influence the U.S. Constitution?
how do you round off 199,814.rounding off the the 9 beside comma
Taiwan’s agricultural economy grew when the Nationalists instituted _____. a command economy a system of collective farms trade agreements with Pacific Rim coun
is salt a solid or a liquid
round 8.293 to the nearest hundredths?
what angle do minute and hour hands of a clock make at 5:30
Find the area of the triangle 8.5cm 11.32cm. Here are the options: a. 48 cm2 b. 48.11 cm2 c. 96.22 cm2 d. 32.07 cm2