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Mathematics for IGCSE & O level - Algebraic Manipulation (Section 1 - No. 11)

Simplify: 5k + 3k - 2l + 7l
8k + 5l
2k + 5l
8kl
2k - 5l

설명

5k + 3k - 2l + 7l = 8k + 5l

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