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Example 2 - Chapter 2 Class 8 Linear Equations in One Variable
Last updated at Dec. 16, 2024 by Teachoo
Solving Linear Equations - Variables on both sides
Chapter 2 Class 8 Linear Equations in One Variable
Concept wise
- Definitions
- Solving Linear Equations - Variables on 1 side
-
Solving Linear Equations - Variables on both sides
- Solving Linear Equations - Making equation simpler and then solving
- Forming Linear Equations - Perimeter and Area
- Forming Linear Equations - Fraction - Denominator & Numerator
- Forming Linear Equations - Cost, Sale, Profit
- Forming Linear Equations - Consecutive Numbers
- Forming Linear Equations - Consecutive Multiples
- Forming Linear Equations - Coins and Currency Notes
- Forming Linear Equations - Adding subtracting numbers
- Forming Linear Equations - Two digit number
- Forming Linear Equations - Age
Transcript
Example 2 Solve 5𝑥+ 7/2=3/2 𝑥−145𝑥+ 7/2=3/2 𝑥−14 5𝑥=3/2 𝑥−14−7/2 5𝒙−𝟑/𝟐 𝒙=−𝟏𝟒−𝟕/𝟐 Multiplying by 2 both sides 2(5𝑥−3/2 𝑥)=2(−14−7/2) 10𝒙−𝟑𝒙=−𝟐𝟖−𝟕 7𝑥=−35 𝑥=−35/7 𝒙=−𝟓 L.H.S 5x + 7/2 =5(−5)+7/2=−25+7/2 = (−50 + 7)/2=(−𝟒𝟑)/𝟐 R.H.S 3𝑥/2−14" " " =" 3(−5)/2−14 = (−15 − 28)/2=(−𝟒𝟑)/𝟐 Check: ∴ LHS = RHS Hence Verified.
