Question

Which of the following expressions are equivalent to x−(−x)+y

Answer 1

Answer:

C.  None of the above.

Step-by-step explanation:

x − (−x) + y

x + x + y

=  2x + y.

Answer 2

Answer is none of the above
bcz ...

=x-(-x)+y

=x+x+y.....since '-' multiplied by '-' gives '+' ...

=2x+y//