Question

Simplify a-(a-b)-b-(2b-a)​

Answer 1

$a-(a-b)-b-(2b-a) \\ a - a + b - b - 2b + a \\ - 2b + a$

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Answer 2

Answer:

a - 2b

Step-by-step explanation:

a-(a-b)-b-(2b-a)​

⇒ a - a + b - b - 2b + a

⇒ 0 + 0 - 2b +a

⇒a - 2b