Answer:
Step-by-step explanation:
5x-4=20
5x=24: x=24/5
y=3x-12
y=3(24/5)-12
y = (72-60)/5
y=12/5
z is 111 degrees
69 ° and z is a linear pair, therefore:
69 + z = 180
z = 180 - 69
z= 111
look above
hope it hepls
