Question

SIMPLIFY :-

( x - y ) + ( y - x ) + ( 2y - x )

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Answer 1

Answer:

-x + 2y

Step-by-step explanation:

(x - y) + (y -x) + (2y - x)

= x - y + y -x + 2y - x [bracket opening]

= x - x - x +y +2y

= -x +2y