#### Answer

(5, -2)

#### Work Step by Step

Solve for x in terms of y in one of the equations:
x - y = 7
x = y + 7
Insert the equation for x in terms of y in the first equation:
y + 7 + y = 3
2y + 7 = 3
2y = -4
y = -2
Let y = -2 in the first equation to solve for x:
x + (-2) = 3
x = 5
Check the solution (5, -2) in the second equation:
5 - (-2) = 7
7 = 7; True