By substituting your solution into the original equation, you will find out if the equation holds, balanced or is correct.
An Extraneous solutions is regarded as the values that people often get back as they are solving equations that are said to not really be the right solutions to the equation.
The reason extraneous solutions can be seen or found is due to the fact that a lot of operations needs to have 'extra' answers, and sometimes, these operations can be seen as the pathway to handling the problem.
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