Question

x+(x-y)+y+(y-x) equals to ​

Answer 1

Answer:

the answer is x+y

Step-by-step explanation:

x+x-y+y+y-x

x+y

Answer 2

Answer:

x+y

Step-by-step explanation:

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

x-y and y-x will be cancelled

therefore x=y