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O-LevelMathematicsAlgebra and graphs4024/11 · May/June 2017 · Q113 Marks

Solve the simultaneous equations. 2x + 3y = 5 3x - y = -9

  1. Solve the simultaneous equations. 2x + 3y = 5 3x - y = -9[3]

Mark scheme

Marking points from the official mark scheme (May/June 2017). The mark or mark type is shown in brackets.

  1. [M1] Correct method to eliminate one variable reaching ax b or cy = d
  2. [A2] x = -2 Al for either x = −2 or y = 3
  3. [A2] y = 3 Or after A0, C1 for a pair of values which satisfy either equation or for correct answers with no working

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About this question

Topic
Algebra and graphs, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, May/June 2017 Paper 1 Variant 1, question 11.

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