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Mathematics for IGCSE & O level - Algebraic Manipulation (Section 5 - No. 28)

What is the simplified value of (2x + 3) + (x - 1)?
3x + 2
3x + 4
x + 2
x + 4

Spiegazione

Combine like terms: (2x + x) + (3 - 1) = 3x + 2

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