Solving Absolute Value Equations Using Multi Steps

Learn how to solve absolute value equations with extraneous solutions. Absolute value of a number is the positive value of the number. For instance, the absolute value of 2 is 2 and the absolute value of -2 is also 2. To solve an absolute value problem, we first isolate the absolute value term and then separate the equation into two cases: the positive case and the negative case. After which we solve the equation accordingly.

It is very important to substitute the result obtained into the original equation to make sure that each of the solutions satisfy the original equation. Any solution that satisfies the original equation is called a valid solution while any solution that does not satisfy the original equation is called an extraneous solution.

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