Answer:
x=17.5 or 18,y=12.5,or 13
Step-by-step explanation:
20-15 = 5
5÷2 = 2.5
15+2.5 = 17.5
15-2.5=12.5
-38.4
Multiply both sides by 6 to get rid of the /6 then you would get z alone
52
