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Ex 4.4, 1 - Chapter 4 Class 7 Simple Equations - Part 2

Ex 4.4, 1 - Chapter 4 Class 7 Simple Equations - Part 3

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Transcript

Ex 4.4, 1 Set up equations and solve them to find the unknown numbers in the following cases: (b) One-fifth of a number minus 4 gives 3. Let the number = n Given that, One โ€“fifth of n minus 4 = 3 So, ๐‘›/5 โˆ’ 4 = 3 ๐‘›/5 = 3 + 4 ๐‘›/5 = 7 Let the number = n Given that, One โ€“fifth of n minus 4 = 3 So, ๐‘›/5 โˆ’ 4 = 3 ๐‘›/5 = 3 + 4 ๐‘›/5 = 7 Let the number = n Given that, One โ€“fifth of n minus 4 = 3 So, ๐‘›/5 โˆ’ 4 = 3 ๐‘›/5 = 3 + 4 ๐‘›/5 = 7 n = 7 ร— 5 n = 35

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.