4MA0 Foundation June 2015 Paper 2R Q16
16
(a) Solve \(7 + x = 15\) (1)
(b) Solve \(-9 = 8y + 3\) (2)
| Scheme | Marks |
|---|---|
| 8 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(8y = -12\) or \(-8y = 12\) | M1 |
| \(-1\dfrac{1}{2}\) | A1 |
| (2) | |
| Total 3 marks |
Notes
A1: Accept \(-\dfrac{12}{8}\), \(-\dfrac{6}{4}\), \(-\dfrac{3}{2}\), −1.5