Mathematics for IGCSE & O level - Algebraic Manipulation (Section 1 - No. 39)

Simplify: 9m + 4n - 5m - 2n

4m + 2n

14m + 6n

4m - 2n

14m - 6n

Vysvetlenie

9m - 5m + 4n - 2n = 4m + 2n

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