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Ex 2.1, 7 - Chapter 2 Class 8 Linear Equations in One Variable
Last updated at April 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
Ex 2.1, 7 Solve the following equations and check your results. x = 4/5 (x + 10) 𝑥 = 4/5 (𝑥+10) Multiplying both sides by 5 𝟓𝒙=𝟓 × 𝟒/𝟓 (𝒙+𝟏𝟎) 5𝑥=4 (𝑥+10) 5𝑥=(4×𝑥)+(4×10) 5𝑥=4𝑥+40 5𝑥−4𝑥=40 𝒙=𝟒𝟎 L.H.S x = 40 R.H.S 4/5 (𝑥+10) = 4/5 (40+10) = 4/5 ×50=40 Check:- LHS = RHS Hence verified
