6.(a) From the sum of 3x–y+11 and –y–11, subtract 3x – y – 11. 6.(a) From the sum of 3x–y+11 and –y–11 subtract 3x - y - 11. October 9, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
