y=2x+18 Please show the work by elimination and substitution and don't forget to put the answers in the form of an ordered pair like (1,2). Plz help
so y = y x^2 - x = 2x + 18 x^2 - 3x - 18 = 0 (x-6)(x+3) = 0 x = 6, x = -3 if x = 6, y = 12+18 = 30 if x = -3, y = -6 + 18 = 12 now state those answers in the form asked for
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