Answer:
-2x - (-1y) - (-3)
Step-by-step explanation:
-2x + y + 5
(5x - 2y + 1) - (7x - 3y - 4)
1) Distribute the negative sign and remove all parenthesis
5x - 2y + 1 - 7x + 3y + 4
2) Combine all like terms
