Answer: x=60
Explanation:
x+22+x+6+x−28=180 
Step 1: Simplify both sides of the equation. 
x+22+x+6+x−28=180 
x+22+x+6+x+−28=180 
(x+x+x)+(22+6+−28)=180(Combine Like Terms) 22+6=28 and then 28-28=0
3x=180 
3x=180 
Step 2: Divide both sides by 3. 
3x/3 = 180/3
x=60 
hope this was helpful.