In the article, in the usual method for solving problems related to modular inequalities and their applications, based on the definition of the modulus of a real number, the set of values of the unknown is divided into disjoint parts, each of which retains its sign and solves the set of inequalities. A set of methods for solving inequalities is listed, and in some cases it is explained that other methods can be used. Modular inequalities, along with solving problems related to their applications in real life, are considered one of the important directions of the subject. Addressing problems directly related to the scientific and practical challenges encountered in daily life is a crucial aspect of the comprehensive education system at all levels. This application holds practical significance across all stages of the education system.
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