Question

What is a simplified expression for (x−y)−(x+y)?

Answer 1

-2y

Explanation:

............... ..........

Answer 2

-2y

Explanation:

Let's simplify step-by-step.

x−y−(x+y)

Distribute the Negative Sign:

=x−y+−1(x+y)

=x+−y+−1x+−1y

=x+−y+−x+−y

Combine Like Terms:

=x+−y+−x+−y

=(x+−x)+(−y+−y)

=−2y