Expert Mathematics for Ordinary Levels - EQUATIONS - A Step-by-Step Approach is a text written to comprehensively and effectively cover the content of important aspects of Equation Theory for most ordinary level Mathematics syllabuses. This text presents material in nine (9) crucial aspects dealing with Equations: (1) Algebra (2) Formula Theory (3) Equations & Inequations (4) Factorization (5) Relations & Functions (6) Graphs (7) Quadratic Equations (8) Simultaneous Equations (9) Coordinate Geometry. In this text, topics are presented with the aid of step-by-step solution of problems and diagrams where necessary. This strategy allows the reader to understand the presented theory. At the end of each chapter there is a number of practice questions provided for the reader to attempt. The answers for these questions are included at the back of the text.