what is the answer to (y= 2x+1) (−9x−2y= 3)

Question

i dont know the answer

Answer 1

y=2x+1

-9x-2y =3

2y = -9x-3

y = -9x/2 -3/2 = 2x+1

2x+9x/2 = -3/2-1

13x/2 = -5/2

x = -(5/2)(2/13) =-5/13

y = 2x+1 =-10/13+1 = 3/13

-9(-5/13)-2(3/13)

=45/13 -6/13

=39/13

= 3