1. The problem asks to solve question #5 a, but since the exact problem statement is not provided, I will explain how to approach a typical algebraic question labeled as such. 2. Usually, question #5 a might involve solving an equation or simplifying an expression. The general approach is to identify the type of problem (e.g., linear equation, quadratic equation, factorization). 3. For example, if the problem is to solve an equation like $ax + b = 0$, the formula used is $x = -\frac{b}{a}$. 4. Important rules include: - Always isolate the variable on one side. - Perform the same operation on both sides of the equation. - Check for any restrictions on the variable. 5. Without the exact problem, I cannot provide intermediate steps or a final answer. Please provide the full text of question #5 a for a detailed solution.