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Question
Solve:
(11m − 12n + 3p) − (9m + 7n − 8p)
Solution
(11m − 12n + 3p) − (9m + 7n − 8p)
= 11m − 12n + 3p − 9m − 7n + 8p
= 11m − 9m − 12n − 7n + 3p + 8p
= 2m − 19n + 11p
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