Answer:
the answer is 80
Step-by-step explanation:
hope this helps
can i get braineist pls
y=12
y=2x ,so 2x=8x-x^2
x^2=8x-2x
x^2=6x
x^2/x=6x/x
x=6
y=2x ,2(6)
-60
hope it helps
