4MA1/2FR Jan 2021, Question 13: Solving Linear Equations
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 3 marks
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The question, in short
Solve the equation 5(2x − 3) = 20, showing clear algebraic working.
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Solution · 3 marks
- 1Divide both sides by 5: 2x − 3 = 4
- 2Add 3 to both sides: 2x = 7
- 3x = 7 ÷ 2 = 3.5
Answer3.5
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