Step-by-step execution of operations with exponents and polynomials.

The GDZ corresponds directly to the topics introduced in the 7th grade, which is often the first year students study algebra as a separate subject.

Good for students who missed lessons or need a second explanation of a difficult topic.

Seeing a solution can make a problem look "easy" without the student actually mastering the logic.

Detailed breakdowns of algorithms for solving equations with one variable.

Allows students to check their work immediately without waiting for a teacher's feedback.