NCERT Solutions for Class 8 Mathematics Chapter 2
Important NCERT Questions
Linear Equations in one Variable Chapter 2 Exercise 2.5
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 2
Solve the following linear equation: n/2 – 3n/4 + 5n/6=21
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n/2 – 3n/4 + 5n/6 = 21
⟹ 6n-9n+10n/12 =21 ⟹ 7n/12=21 ⟹ n=21×12/7 ⟹ n=36
To check:
n/2 – 3n/4 + 5n/6 = 21
⟹ 36/2 – 3×36/4 + 5×36/6 =21 ⟹ 18-27+30=21 ⟹ 21=21
⟹ L.H.S. = R. H. S.
Therefore, it is correct.
Class 8 Maths Chapter 2 Exercise 2.5 Solution in Video
for more answers vist to:
https://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-2/