Mathematics 10 — Exercise 2.6 · Q7

Full question

Make l the subject of the formula.

Step-by-step solution

1. Divide by 2, then subtract w.

2. Apply that operation equally to both sides.

   $$\frac{P}{2}=l+w$$

3. Apply that operation equally to both sides.

   $$l=\frac{P}{2}-w$$

Answer

The final answer is shown below.