Simplify. a - {4b - [a - (5b - c) + 3c - (a - b - 9c)]} -a - 8b + 13c a - 8b + 13c a - 2b + 13c -a - 2b + 13c
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a-[4b-a+5b-c+3c-a+b+9c]-a-8b+13ca-8b+13ca-b+13c-a-2b+13c
=a-4b+a-5b+c-3c+a-b-9c-2a-19b+26ca+16c
=a-29b+5c+26ca
=a-4b+a-5b+c-3c+a-b-9c-2a-19b+26ca+16c
=a-29b+5c+26ca
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