Solving Mathematical Problem - Equations and Inequalities of the Absolute Value

Some Mathematical Problems are always considered complicated things for students. This is because students are not accustomed to problems with Higher Order Thinking Skills such as Mathematical Literacy, Problem Solving, Critical Thinking, and Creative Thinking. Here is one math problem and its solution.
This is the result of completion by Universitas Negeri Semarang Undergraduate Mathematics Education Students consisting of Yasmin Fatimah and Khikmatul Laili Desiyani.
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