Example 5 (i) - Chapter 4 Class 7 Simple Equations
Last updated at Dec. 16, 2024 by Teachoo
Last updated at Dec. 16, 2024 by Teachoo
Example 5 Solve: (a) 3n + 7 = 253n + 7 = 25 Subtracting 7 from both sides. 3n + 7 − 7 = 25 − 7 3n + 7 − 7 = 25 − 7 Dividing 3 both sides 3𝑛/3 = 18/3 n = 6 3n + 7 = 25 Subtracting 7 from both sides. 3n + 7 − 7 = 25 − 7 3n + 7 − 7 = 25 − 7 Dividing 3 both sides 3𝑛/3 = 18/3 n = 6
Examples
Example 1 (ii) Important
Example 1 (iii) Important
Example 1 (iv)
Example 2 (i) Important
Example 2 (ii)
Example 2 (iii)
Example 2 (iv) Important
Example 3
Example 4 Important
Example 5 (i) You are here
Example 5 (ii) Important
Example 6
Example 7 (a)
Example 7 (b) Important
Example 8
Example 9 Important
Example 10 Important
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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 and Computer Science at Teachoo