# Solving rational equations

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##### Examples

###### Lessons

- Solve the following rational equations:
**Solving Rational Equations by cross multiplying**

State the non-permissible values for the variable x, then solve algebraically.- Solve

$\frac{2}{x-9}+\frac{20}{x+9}=\frac{80}{x^2-81}$ - Solve the following equations algebraically:
**Solving Rational Equations by factoring**

State the non-permissible values for the variables, then solve algebraically.