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Would you like a step-by-step explanation to solve this manually? Here are 5 related questions to deepen your understanding:

1. How do you simplify expressions with negative exponents like $2^{-3}$?
2. What are the properties of exponents that apply when adding fractions?
3. How can you simplify complex fractions in multi-step equations?
4. What strategies can you use to solve rational expressions more easily?
5. How does exponentiation affect the order of operations in such problems?

Tip: When working with exponents, always handle the exponent before applying any addition or division to avoid errors!