Simplify: 6 - [6 - (a + b) - {b - (6 - a - b)} + 2a).
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Answer:
6-[6-a-b-{b-6+a+b}+2a]
6-[6-a-b-{6+a}+2a]
6-[6-a-b-6-a+2a]
6-[6-6-a-a+2a-b)
6-[-b]
6+b ANS.
Step-by-step explanation:
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