Answer:
y=8.
Step-by-step explanation:
all the details are in the attachment.
-4(x-7)=36
-4x+28=36
-4x=8
x=-2
Answer:
B= 15 adults tickets
C= 35 student tickets
Step-by-step explanation:
x+y=50
solve for y
y=50-x
5x+3y=180
5x+3(50-x)=180
5x+150-3x=180
2x=30
x=15
y=50-15
y=35
The angles of a triangle always equal 180.
You do 180 - 80 - 45. X = 45.