Example 5 (i) - Chapter 4 Class 7 Simple Equations

Last updated at July 14, 2026 by

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 āˆ’ 7 = 25 āˆ’ 7 3n + 7 āˆ’ 7 = 25 āˆ’ 7 Dividing 3 both sides 3š‘›/3 = 18/3 n = 6 3n + 7 = 25 Subtracting 7 from both sides. 3n + 7 āˆ’ 7 = 25 āˆ’ 7 3n + 7 āˆ’ 7 = 25 āˆ’ 7 Dividing 3 both sides 3š‘›/3 = 18/3 n = 6

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