Mathematics for IGCSE & O level - Algebraic Manipulation (Section 8 - No. 24)

Simplify: 9x - 2y - 4x + 7y.

5x + 5y

13x - 9y

5x - 5y

13x + 9y

Vysvetlenie

Combine like terms: (9x - 4x) + (-2y + 7y) = 5x + 5y

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