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Final Validation in Rational Equation Modeling
An HVAC technician is using the rational equation $1 - \frac{5}{y} = -\frac{6}{y^2}yy = 2y = 3$. According to the standard five-step strategy for solving rational equations, identify the name of the final step that must be performed to verify these results. Additionally, provide the specific mathematical term for a solution that must be rejected because it makes the original equation undefined.
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Ch.8 Rational Expressions and Equations - Elementary Algebra @ OpenStax
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