Answer:
15, 4
Step-by-step explanation:
Using the concept of similar triangles, the ratio of two similar sides are equal. such that
18/12 = (18 + 6)/(12 + y)
12 + y = 16
y = 4
Using a similar concept,
18/x = (18 + 6) / (x + 5)
18/x = 24/x+5
18x + 90 = 24x
6x = 90
x = 15
