Mathematics for IGCSE & O level - Algebraic Manipulation (Section 7 - No. 11)

Simplify 2a - 3b + 5a + b

7a - 2b

7a + 2b

-3a + 6b

7a - 4b

解释

Combine like terms: (2a + 5a) + (-3b + b) = 7a - 2b

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