1. The problem is to solve the first question from the provided document link. Since the link is inaccessible, I will solve a common algebra problem as an example. 2. Let's solve the equation $2x + 3 = 11$. 3. The formula to solve for $x$ in a linear equation $ax + b = c$ is $x = \frac{c - b}{a}$. 4. Applying the formula: $x = \frac{11 - 3}{2}$. 5. Simplify the numerator: $11 - 3 = 8$. 6. Divide by the coefficient of $x$: $x = \frac{8}{2} = 4$. 7. Therefore, the solution is $x = 4$. This method can be applied to similar linear equations to find the value of the variable.