Ex 12.2, 6 - (a) From the sum of 3x - y + 11 and - y - 11, subtract 3x

 

 

 

  1. Chapter 12 Class 7 Algebraic Expressions
  2. Serial order wise

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

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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.