Jawab:
(16a - 12b + 4) - (5a - 9b + 2c)
16a - 5a - 12b + 9b - 2c + 4
11a - 3b -2c + 4
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Jawab:
(16a - 12b + 4) - (5a - 9b + 2c)
16a - 5a - 12b + 9b - 2c + 4
11a - 3b -2c + 4