Answer:
y = 2x + 3 .... 1
x - y = -2 ...... 2
substitute the value of y in equation 2
x - (2x +3) = -2
x - 2x -3 = -2
-x = - 2 + 3
-x = 1
divide by -1 on both sides
x = -1
substitute the value of x in equation 1
y = 2 (-1) + 3
y = -2 + 3
y = 1
(x ; y)
(-1 ; 1)
