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Solving a Rational Equation - Problem 5


Many students find cross multiplication a useful tool in solving equations with rational functions, but it is often used at inappropriate times. Cross multiplication is only possible when you have a proportion, or fraction equals fraction. Here we look to get the terms with the same denominators on the same side of the equals to turn them into one fraction, and then cross multiply. As always with rational functions, don't forget to check for extraneous solutions.

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