a - 6a-5a, 2a - 3a-a, 3a - a+a+a, 4a - 3a+a, 5a - a+3a+a, 6a - 4a+3b+2a-3b, 7a - 5a+5a-3a, 8a - 2x4a, a+b - 4a-3a+4b-3b, 2a+3b - a+a+3b, 2a+4b - 2a+b+b+2b, 3a+b - 2a+a+5b-4b, 3a+2b - a+4b+2a-2b, 3a+3b - 5a+5b-2a-2b, 4a+2b - 10a-4b-6a+6b, 4a+3b - 6a+9b-2a-6b,

simplifying algebra all a's

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