Last updated at Sept. 6, 2021 by Teachoo

Transcript

Ex 12.2, 6 (a) From the sum of 3x – y + 11 and – y – 11, subtract 3x – y – 11. Sum of (3x − y + 11) and (−y −11) is given by 3x − y + 11 − y − 11 Now, subtracting (3x − y − 11) from (3x − 2y) Answer is −y + 11

Ex 12.2

Ex 12.2, 1 (i)

Ex 12.2, 1 (ii)

Ex 12.2, 1 (iii)

Ex 12.2, 1 (iv)

Ex 12.2, 1 (v)

Ex 12.2, 1 (vi)

Ex 12.2, 2 (i)

Ex 12.2, 2 (ii)

Ex 12.2, 2 (iii)

Ex 12.2, 2 (iv)

Ex 12.2, 2 (v)

Ex 12.2, 2 (vi)

Ex 12.2, 2 (vii)

Ex 12.2, 2 (viii)

Ex 12.2, 2 (ix)

Ex 12.2, 2 (x)

Ex 12.2, 3 (i) Important

Ex 12.2, 3 (ii)

Ex 12.2, 3 (iii)

Ex 12.2, 3 (iv)

Ex 12.2, 3 (v)

Ex 12.2, 3 (vi)

Ex 12.2, 3 (vii)

Ex 12.2, 3 (viii)

Ex 12.2, 4 (a) Important

Ex 12.2, 4 (b)

Ex 12.2, 5 Important

Ex 12.2, 6 (a) You are here

Ex 12.2, 6 (b)

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.