Subtract 3x-y-11 from the sum of 3x-y+11 and -y-11
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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+11p
=11-y.
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