Answer:
(3,15)
Step-by-step explanation:
Rule 1
5x = y
Rule 2
x+12 = y
Set them equal
5x = x+12
Subtract x from each side
5x-x = x+12-x
4x= 12
Divide by 4
4x/4 = 12/4
x=3
5x=y
5*3 = y
15 = y
The solution is (3,15)
Given rules
Equate and solve
Opt ion B is correct as no other contains 3 as x
