Simplify
6 – [6 – {6 - (6 - 7 - 8 - 9) - 10 + 11) - 6 - 9] + 8
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Answer:
6-[6-{6-(-18)-10+11}-6-9]+8
6-[6-{6+18-10+11}-6-9]+8
6-[6-25-6-9]+8
6+34+8
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