HELP!! ILL MARK BRANLIEST!!
Determine the approximate ordered pair for f(x) = g(x).

the graph of two linear functions negative 4 times x plus 15 times y equals negative 300 and 20 times x plus 4 times y equals negative 20

(−3, 9)
(−3, 8)
(3, −19)
(3, −8)