Algebra Sbornik Zadanii 9 Klass Kuznetsova 16 Izdanie Otvety Access

: When using guides like Brainly's textbook solutions , focus on the logic of the transformation rather than just copying the final result .

I'm adding pic of problem in the book, his answer, and the book solution. He's not understanding this one. Help please! I wish he' Facebook·Saxon Math for Homeschoolers algebra sbornik zadanii 9 klass kuznetsova 16 izdanie otvety

: Working with arithmetic and geometric progressions. : When using guides like Brainly's textbook solutions