Ay/x = cz
Multiply 'x' to both sides:
Ay = czx
Divide 'A' to both sides:
y = (czx)/(A)
Answer: im not sure if there was supposed to be more to this problem, like how much dough was needed before 35% of the pie was eaten???? (if there is more pls comment and ill help)
Im 70% sure its blue x=1,x=-5/2
Hope i helped if did plz mark as brainliest^-^