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

PLS HELP ASAP- The Mexican government encouraged the mission-presidio system. Please select the best answer from the choices provided T F
How did Europe change under Charlemagne? ( PLEASE HURRY ) -The Byzantine Empire became part of the Holy Roman Empire. -The Frankish kingdom grew and became part
What is the equation of this line? y=1/2x−3 y=−1/2x−3 y=−2x−3 y=2x−3
In the article "10 Things You Can Do to Avoid Fraud," what is the definition of “foiled” as it is used in paragraph 2 of the introduction? Group of answer choic
You decide to start a dog walking business and are trying to plan how much you to charge. You determine that you can only walk 5 dogs at the most at any given t
How many grams of sodium are in .500 of a mole
What is the equation of this line? y=1/2x−3 y=−1/2x−3 y=−2x−3 y=2x−3
Which narrator uses a third-person omniscient point of view? Lily stood on the stage in stunned disbelief as applause filled the auditorium. Her mother’s sparkl
The height of a stack of DVD cases is in a proportional relationship to the number of cases in the stack. A stack of 7 cases and its height are shown. Find the
the tip of the nail is sharp.why?​