Question 400406
From the 1st equation, x = 5 - 2y.  Substitute for x into the 2nd equation: 
2(5 - 2y) + 3y = 2
==> 10 - 4y + 3y = 2
==> 8 - y = 0
==> y = 8.
==> x = 5 - 2*8 = 5 - 16  = -11.