help quick please

Question

 

Which of the following ordered pairs are solutions to the system of equations below?

	(-1, -6)
	(-1, 6)
	(1, 6)
	(1, -6)

Answer 1

(-1,6) is a solution to both equations

3x+2y=9

y=4x+10

3x + 2(4x+10) =3x + 8x +20 = 9

11x = -11

x =-1

y=4(-1) +10 = 6