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Mathematics for IGCSE & O level - Algebraic Manipulation (Section 7 - No. 24)
Expand and simplify: 4(x - 1) - (2x + 3)
2x - 7
6x - 7
2x + 1
6x + 1
Forklaring
4x - 4 - 2x - 3 = 2x - 7
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