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Last updated at July 2, 2018 by Teachoo

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Example 5 Solve: (a) 3n + 7 = 253n + 7 = 25 Subtracting 7 from both sides. 3n + 7 โ 7 = 25 โ 7 3n + 7 โ 7 = 25 โ 7 Dividing 3 both sides 3๐/3 = 18/3 n = 6 3n + 7 = 25 Subtracting 7 from both sides. 3n + 7 โ 7 = 25 โ 7 3n + 7 โ 7 = 25 โ 7 Dividing 3 both sides 3๐/3 = 18/3 n = 6 Example 5 Solve: (b) 2p โ 1 = 23 2p โ 1 = 23 Adding 1 to both sides. 2p โ 1 + 1 = 23 + 1 2p = 24 Dividing 2 both sides 2๐/2 = 24/2 p = 12

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.