Answer:
(x, y) = (4, 3)
Explanation:
The second equation gives an expression for y that can be substituted into the first equation.
... 2x -3(x -1) = -1 . . . . put x-1 where y was
... -x +3 = -1 . . . . . . . simplify
... 4 = x . . . . . . . . . . . add x+1
Using that second equation, we can find y to be ...
... y = 4 -1 = 3
The solution is (x, y) = (4, 3).