1. Set up equations and solve them to find the unknown numbers in the following cases: (b) One-fifth of a number minus 4 gives 3. 1. Set up equations and solve them to find the unknown numbers in the following cases: (b) One-fifth of a number minus 4 gives 3. October 8, 2020 Category: Chapter 4 - Simple Equations , Maths , NCERT Class 7 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related