Foundation June 2025 Paper 2 Q16
16 Rearrange \(\quad a + 3 = b \quad\) to make \(\ a\ \) the subject. [1 mark]
| Answer | Mark | Comments |
|---|---|---|
| \(b - 3\) or \(-3 + b\) | B1 |
Additional guidance
| Allow upper case B but not a change of letter eg \(a = \text{B} - 3\) | B1 |
| \(b - +3\) or \(b + -3\) | B0 |
| \(3 - b\) | B0 |