Last updated at Sept. 2, 2021 by Teachoo

Transcript

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

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.