Question 4 (b) What should be subtracted from 2a + 8b + 10 to get – 3a + 7b + 16? (2a + 8b + 10) − Expression = (−3a + 7b + 16) (2a + 8b + 10) − (−3a + 7b + 16) = Expression Expression = (2a + 8b + 10) − (–3a + 7b + 16) Putting like terms below like terms and subtracting Answer is 5a + b – 6

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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