Free PDF download of Class 7 Maths Chapter 4 - Simple Equations Revision Notes & Short Key-notes prepared by expert Maths teachers from latest edition of CBSE(NCERT) books. You can also register Online for NCERT Solutions Class 7 Science tuition on CoolGyan.Org to score more marks in CBSE board examination. CoolGyan is a platform that provides free CBSE Solutions (NCERT) and other study materials for students. Maths Students who are looking for the better solutions ,they can download Class 7 Maths NCERT Solutions to help you to revise complete syllabus and score more marks in your examinations.