9758/2022/P1/Q01

Do not use a calculator in answering this question.
The complex numbers (z) and (w) satisfy the following equations.

$$\mathrm{i} z+2 w=-1$$
$$(2-\mathrm{i}) z+\mathrm{i} w=6$$

Find (z) and (w), giving your answers in the form $(a+\mathrm{i} b)$ where $a$ and $b$ are real numbers.

[4]