4MA0 Higher January 2012 Paper 3 Q11
11 Make \(y\) the subject of \(3(y + 2x - 1) = x + 5y\)
(3)
| Scheme | Marks |
|---|---|
| \(3y + 6x - 3 = x + 5y\) | M1 |
| \(5x - 3 = 2y\) oe | M1 dep |
| \((5x - 3)/2\) | A1 oe |
| (Total 3 marks) |
Notes
M1: Multiplying out brackets.
M1 dep: Correctly collecting like terms, (3 terms needed here).