11+2a−b+11+2b−a11+2a−b+11+2b−a is equal to = ? – McqOptions

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1.	11+2a−b+11+2b−a11+2a−b+11+2b−a is equal to = ?
A.	a - b
B.	b - a
C.	1
D.	0
Answer» B. b - a

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