3x + 50 = 5x - 2

Find x

Which of the following properties can be used to show

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?