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  1. Chapter 2 Class 8 Linear Equations in One Variable
  2. Serial order wise
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Ex 2.5, 2 Solve the following linear equations. ๐‘›/2โˆ’3๐‘›/4+5๐‘›/6=21 ๐‘›/2โˆ’3๐‘›/4+5๐‘›/6=21 (6๐‘› โˆ’ 3(3๐‘›) + 2(5๐‘›))/12=21 (6๐‘› โˆ’ 9๐‘› + 10๐‘›)/12=21 (6๐‘› + ๐‘›)/12=21 7๐‘›/12=21 7n = 21 ร— 12 n = (21 ร— 12)/7 n = 36 L.H.S ๐‘›/2โˆ’ 3๐‘›/4+5๐‘›/6 =36/2 โˆ’(3 ร— 36)/4+(5 ร— 36)/6 =18โˆ’27+30 =21 = R.H.S โˆด LHS = RHS Hence Verified.

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.