Question

add.
(x-y)+(y-x)+(2y-x)​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

-x+2y

Step-by-step explanation

x-y+y-x+2y-x

x-x-x-y+y+2y

-x-y+y+2y

-x+2y is ans