Solve the equation: \(\frac{4}{5} + 7 = \frac{?}{10} + 5\).<br><br>
• Left-hand side: \(\frac{4}{5} + 7 = 0.8 + 7 = 7.8 = \frac{39}{5}\)<br>
• Right-hand side: \(\frac{?}{10} + 5\)<br>
• So \(\frac{39}{5} = \frac{?}{10} + 5\)<br>
• Subtract 5 from both sides: \(\frac{39}{5} - 5 = \frac{?}{10}\)<br>
• \(\frac{39}{5} - \frac{25}{5} = \frac{14}{5} = \frac{?}{10}\)<br>
• Multiply both sides by 10: \(? = \frac{14}{5} \times 10 = 28\)<br><br>
Final Answer: D: 28