Solving Linear Equations - Making equation simpler and then solving
Ex 2.2, 8 Important
Ex 2.2, 9
Ex 2.2, 10 Important
Example 4
Ex 2.2, 4
Question 1 Deleted for CBSE Board 2024 Exams
Question 2 Important Deleted for CBSE Board 2024 Exams
Question 3 Deleted for CBSE Board 2024 Exams
Question 14 Important Deleted for CBSE Board 2024 Exams
Question 4 Important Deleted for CBSE Board 2024 Exams
Question 5 Deleted for CBSE Board 2024 Exams
Example 3 Important
Ex 2.2, 1
Ex 2.2, 3 Important
Ex 2.2, 2 You are here
Ex 2.2, 5 Important
Ex 2.2, 6
Solving Linear Equations - Making equation simpler and then solving
Last updated at April 16, 2024 by Teachoo
Ex 2.2, 2 Solve the following linear equations. 𝑛/2−3𝑛/4+5𝑛/6=21 𝑛/2−3𝑛/4+5𝑛/6=21 (𝟔𝒏 − 𝟑(𝟑𝒏) + 𝟐(𝟓𝒏))/𝟏𝟐=𝟐𝟏 (6𝑛 − 9𝑛 + 10𝑛)/12=21 (6𝑛 + 𝑛)/12=21 7𝑛/12=21 7n = 21 × 12 n = (21 × 12)/7 n = 36 L.H.S 𝑛/2− 3𝑛/4+5𝑛/6 =36/2 −(3 × 36)/4+(5 × 36)/6 =18−27+30 =21 = R.H.S Check:- ∴ LHS = RHS Hence Verified.