Math
posted by Angie .
Which ordered pair is a solution of the system of equations y=x^2x20 and y=3x15?
a. (5,30)
b. (1,18)
c. (0,5)
d. (5,1)
When I solved the system of equations I got 5 and 1. What do I do next?

If x = 5
y = 0, not one of the solutions listed
If x = 1. y = 315 = 18
so
(1,18) is what they are looking for.
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