7.Simplify these expressions and find their values if x=3,a=–1,b=–2: (i) 3x–5–x+9 7.Simplify these expressions and find their values if x=3 a=–1 b=–2: (i) 3x–5–x+9 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
