1. Set up equations and solve them to find the unknown numbers in the following cases: (f) Ibenhal thinks of a number. If she adds 19 to it divides the sum by 5, she will get 8. 1. Set up equations and solve them to find the unknown numbers in the following cases: (f) Ibenhal thinks of a number. If she adds 19 to it divides the sum by 5 she will get 8. October 8, 2020 Category: Chapter 4 - Simple Equations , Maths , NCERT Class 7 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related