Question

Simplify (x - y + 1) - (x + y - 1).
2x - 2y + 2
-2y + 2
2y - 2
-2x + 2y

Answer 1

Answer:The answer is -2y+2

Step-by-step explanation: hope this works

Answer 2

`(x - y + 1) - (x + y - 1) \\ \\ x - y + 1 - x - y + 1 \\ \\ (x - x) + (-y -y) + (1 + 1) \\ \\ -2y + 2 \\ \\ Answer: \fbox {-2y + 2}`