Mathematics for IGCSE & O level - Algebraic Manipulation (Section 3 - No. 13)

Simplify 7u - 4u + 8v - 2v

3uv

3u + 6v

11u - 6v

3u - 6v

Paliwanag

7u - 4u + 8v - 2v = 3u + 6v

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