: Many teachers upload video walkthroughs for specific difficult exercises, such as polynomial simplifications or functions. Tips for Using These Guides

: Match the year of your textbook with the GDZ version to ensure exercise numbers align.

Ready-made solutions (GDZ) for Algebra textbooks for grades 7–9 are available on several popular educational platforms. These guides typically cover both the theoretical textbook and the practical problem book ( zadachnik ). Popular GDZ Resources

: Provides clear explanations and multiple solution methods for exercises in the Mordkovich series.

: Try solving the problem yourself first, then use the guide to check your logic or find where you got stuck.