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Unformatted text preview: solution. For example, if there is a solution of y=0, and in the original equation there is 5y, it would be necessary to discard the y=0 solution because it would make 5y undefined. There is also the possibility of making mistakes during the attempt to solve equations. Performing a check ensures a correct answer which is the main purpose of checking....
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This note was uploaded on 06/25/2010 for the course MAT117 MAT117 taught by Professor A.b. during the Spring '10 term at University of Phoenix.
 Spring '10
 a.b.

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