Question

 Simplfyb – [b –(a + B) – {b –(b – a +b)} + 2a]​

Answer 1

Answer:

$- (b - (a + b) - {b - (b - a + b)} + 2a) \\ - b \cancel{ - a} - b - b - b \cancel{+ a} - b + 2a \\ - 4b + 2a \\ \orange{\leadsto\boxed{2a - 4b} }$

Answer 2

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