Problem 53 of 7
Solve proportion involving rational expressions: x/(x+1) = 2/(x+3).
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cross multiply with restrictions.
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Cross multiply only after noting denominator restrictions.
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Solution
Walkthrough
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1. List restrictions from denominators.
2. Cross multiply to form polynomial equation.
3. Solve and check candidates.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Cross-multiplication that keeps denominator-zero candidates.