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Mathematics for IGCSE & O level - Algebraic Manipulation (Section 6 - No. 33)

What is the simplified form of 4(x - 1) + 2x?
6x - 4
6x - 1
2x - 4
2x - 1

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Distribute and simplify: 4x - 4 + 2x = 6x - 4

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