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Example 5 - Solve (a) 3n + 7 = 25 (b) 2p - 1 = 23 - Teachoo

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Example 5 Solve: (a) 3n + 7 = 253n + 7 = 25 Subtracting 7 from both sides. 3n + 7 โˆ’ 7 = 25 โˆ’ 7 3n + 7 โˆ’ 7 = 25 โˆ’ 7 Dividing 3 both sides 3๐‘›/3 = 18/3 n = 6 3n + 7 = 25 Subtracting 7 from both sides. 3n + 7 โˆ’ 7 = 25 โˆ’ 7 3n + 7 โˆ’ 7 = 25 โˆ’ 7 Dividing 3 both sides 3๐‘›/3 = 18/3 n = 6

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.