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O-LevelMathematicsAlgebra and graphs4024/12 · Oct/Nov 2022 · Q194 Marks

Solve. (3x-1)/6 + (x+2)/4 = 5/3

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2022). The mark or mark type is shown in brackets.

  1. [4] 16/9 or 1 7/9 oe
  2. M1 for correct use of common denominator 4(3x-1)/24 + 6(x+2)/24 = 5/3 or better
  3. M1 for correct expansion of either of their brackets e.g. 6x – 2 or 3x + 6
  4. M1 for removing all fractions and isolating x terms with no errors e.g. 6x + 3x = 20 + 2 – 6 oe

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About this question

Topic
Algebra and graphs, O-Level Mathematics (syllabus 4024). Structured question, 4 marks.
Source
O-Level Mathematics, Oct/Nov 2022 Paper 1 Variant 2, question 19.

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