Foundation January 2021 Paper 2R Q13
13 Solve \(\;5(2x - 3) = 20\)
Show clear algebraic working.
(3)
| Scheme | Marks |
|---|---|
| \(2x - 3 = 20 \div 5\) or \(10x - 15 = 20\) | M1 |
| \(2x =\) “4” + 3 oe or \(10x = 20 +\) “15” \(10x = 35\) oe | M1 |
| Working required Answer: 3.5 oe | A1 |
| (3) | |
| (3 marks) |
Notes
M1: For collecting terms, ft their expansion
A1: dep M1
accept \(\dfrac{7}{2}\) or \(\dfrac{35}{10}\)