Solving Linear Equations without Brackets


Simple Equations I - Concepts
Class - 7th CBSE Subjects
 
 
Concept Explanation
 

Solving Linear Equations without Brackets

small Solve; for; x : frac{3x}{4} -frac{2x}{3}= 5

Sol: Let us first take LCM as 12

small frac{3 X 3x- 4 X 2x}{12} = 5

small frac{9x- 8x}{12} = 5

small frac{x}{12} = 5

x= 60

Sample Questions
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Question : 1

large Solve for m : 5m+frac{25}{4}=6

Right Option : D
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Explanation
Question : 2

If dpi{110} frac{3x+5}{2x+7}=4   then x is:

 

Right Option : B
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Explanation
Question : 3

Find the value of x:     frac{x}{2}+frac{x}{6}=18

Right Option : A
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Explanation
 
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