Solving Linear Equations without Brackets


Linear Equations in One Variable I - Concepts
Class - 7th DAV 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
(More Questions for each concept available in Login)
Question : 1

Match the following:  if   large frac{z}{2}-frac{3z}{4}+frac{5z}{6}=21   then z=

Right Option : D
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Explanation
Question : 2

Find the value of x:    frac{x}{4}-frac{x}{8}+3=4

Right Option : C
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Explanation
Question : 3

Solve for y: 19 = 4y + 7

Right Option : A
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Explanation
 
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