4MA0 Higher January 2016 Paper 3 Q12
12 Make \(t\) the subject of \(5(t - g) = 2t + 7\)
(3)
| Scheme | Marks |
|---|---|
| \(5t - 5g = 2t + 7\) | M1 |
| \(5t - 2t = 7 + 5g\) | M1 |
| \(t = \dfrac{5g + 7}{3}\) | A1 |
| (3) |
Notes
M1: for expanding bracket within the equation or
division of all terms by 5
M1: (ft a 4 term equation) to isolate terms in \(t\)
A1: oe