Question

From the sum of 3x -y + 11amd -y - 11, subtract 3x -y -11

Answer 1

Answer:

x -y + 11 is the answer

Step-by-step explanation:

3x -y + 11 + (-y - 11)

3x -y + 11 -y - 11

= 3x - 2y

Now

3x - 2y - (2x - y - 11)

= 3x - 2y - 2x + y + 11

= x -y + 11