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Unformatted text preview: he coefficient a one.
Note that we usually just divide both sides of the equation by the coefficient if it is an
integer or multiply both sides of the equation by the reciprocal of the coefficient if it is a
fraction.
5. VERIFY YOUR ANSWER! This is the final step and the most often skipped step, yet
it is probably the most important step in the process. With this step you can know
whether or not you got the correct answer long before your instructor ever looks at it. We
verify the answer by plugging the results from the previous steps into the original
equation. It is very important to plug into the original equation since you may have made
a mistake in the very first step that lead you to an incorrect answer.
Also, if there were fractions in the problem and there were values of the variable that give
division by zero (recall the first step…) it is important to make sure that one of these
values didn’t end up in the solution set. It is possible, as we’ll see in an example, to have
these values show up...
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 Spring '12
 MrVinh

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