01-10-2021
Mathematics

contestada

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

Respuesta :

JohnAnkrah JohnAnkrah

01-10-2021

Answer:

1

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

scientific notation of $125 billion

Mike sold half of his comic books and then bought 9 more. He now has 12. How many did he begin with?

factor completely: 6m^2 - mn - 12n^2

How do I solve 4a-3=2a+7

The scientific notation of 2500?

A rectangular field has an area of 2100 square feet. The length of the field is 50 feet. How wide is the field

A car traveling in a straight line has a velocity of 6m/s at some instant. After 6.32s its velocity is 13.2m/s . What is the average acceleration in this time

A recipe that makes 7 servings calls for cup of apple juice and cup of cranberry juice. How many cups of juice are there per serving? A. B. C. D.

what continent does a moose live on?

1315 round nearest ten