Question

simplify -7-3[+{3x+y-(x-x-z)}]​

Answer 1

Answer:

Sum of 3x-y-11 & 3x -y-11 is

⇒3x−y+11−y−11=3x−2y.

then substract 3x-y-11.

p=3x-2y-(3x-y-11)=3x-2y-3x+y+11

p=11-y