Question 8 (i) - Integers Addition and Subtraction Worksheet - Chapter 1 Class 7 Integers

Last updated at Dec. 16, 2024 by

Ex 1.1, 8 - Verify a - (- b) = a + b for (i) a = 21, b = 18 (ii) a = 1

 

 

 

 

 

 

Share on WhatsApp

Transcript

Question 8 Verify a – (– b) = a + b for the following values of a and b. (i) a = 21, b = 18 Rough + & − becomes − + & + becomes + − & − becomes + a = 21, b = 18 a − (−b) = 21 − (−18) = 21 + 18 = 39 a + b = 21 + 18 = 39 ∴ a − (−b) = a + b

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo