Answer:
(5, -3)
Explanation:
Substitute -2x + 7 for y in the 2nd equation, and then solve the resulting equation for x:
-2x + 7 = 0.5x - 5.5
Combining like terms, 2.5x = 12.5, or x = 5.
Subbing 5 for x in the first equation, we get: y = -2(5) + 7 => y = -3
The solution is (5, -3)