Answer:(1, -3).
Explanation:
If y=2x-5 is equation (1) and 4x-y=7 is equation (2), then substitute equation (1) in equation (2):
 4x - (2x - 5) = 7
 4x - 2x + 5 = 7
 2x = 7-5
 2x = 2
 x = 1
 
Now substitute the value of x in equation (1) to find the value of y:
 y = 2 (1) - 5
 y = 2 - 5
 y = -3