Answer:
x=12
Step-by-step explanation:
Supplementary angles add up to 180 degrees.
10x+60=180
Subtract 60 from both sides:
10x=120
Divide 10 to both sides:
By definition, supplementary angles add up to 180 degrees. Therefore, we can set up the follow equation to solve for :
A. y<-3
Whats The Answer Choice?
Answer: I think b