Question

From the sum of 3 x -y + 11 and
-y-11, subtract 3x-y-11.​

Answer 1

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

3x-y+11-y-11

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

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

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

y-11

hope it's helpful for you.