Not sure if it's right but I tried:
(16,-12) assuming x=16,y=-12
y=5x-4
-12=5(16)-4
-12=240-4
-12=236
(Divide maybe?)
-12=236
236 divided 12= 19.6
Here is the answer to your problem
Answer:
Your answer.
X = 176.15
Y = 252.3
X = student
Y= Non student
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