4MA1/1F Jan 2023, Question 17: Solving Linear Equations
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 3 marks
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The question, in short
Solve the equation 3(2 − 4x) = 5 − 8x, showing clear algebraic working.
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Solution · 3 marks
- 13(2 − 4x) = 5 − 8x
- 26 − 12x = 5 − 8x
- 36 − 5 = 12x − 8x
- 41 = 4x
- 5x = 1/4
Answer1/4
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