Ex 4.3, 1 (g) - Chapter 4 Class 7 Simple Equations

Last updated at April 16, 2024 by

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Ex 4.3, 1 Set up equations and solve them to find the unknown numbers in the following cases: (g) Anwar thinks of a number. If he takes away 7 from 5/2 of the number, the result is 23.Let the number = z Given that, Taking away 7 from 5/2 of z = 23 𝟓/𝟐 z − 7 = 23 5/2 z = 23 + 7 𝟓/𝟐 z = 30 5z = 30 × 2 5z = 60 z = 60/5 z = 12

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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, Social Science, Physics, Chemistry, Computer Science at Teachoo.