114k views
5 votes
Find the value of x if the arithmetic mean of 3 and 3x+5 is 8?

User Piedar
by
8.0k points

1 Answer

2 votes

Answer:

3x

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

User Samuel
by
8.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories