4024/11 Oct/Nov 2020, Question 3: Solving Linear Equations
Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 4 marks
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The question, in short
Solve a linear equation for x and simplify an algebraic expression involving brackets and like terms.
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Part (a) · 2 marks
Solve 9 − 5x = 2x − 12 to find the value of x.
- 19 + 12 = 2x + 5x
- 221 = 7x
- 3x = 3
Answer3
Part (b) · 2 marks
Simplify 16 + 2y − 3(3 − y) by expanding the bracket and collecting like terms.
- 116 + 2y − 9 + 3y
- 2= 5y + 7
Answer5y + 7
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Also searched as: 4024/11/O/N/20 · 4024_w20_qp_11 · 4024 w20 11 · question 3.
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