Question

Find the value of (x + y) - (x - y)

A.

2x

B.

2y

C.

x + y

D.

x - y

Correct option is B

Given:

 (x + y) - (x - y) 

Solution: 

(x + y) - (x - y) 

= x + y -x + y 

= 2y

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