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Question

Question 6(ii)
Set
up an equation in the following case:
Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age. (Take Laxmi’s age to be y years.)


Solution

Given: Age of Laxmi's father = 49 yrs
R.H.S. = 49 
Let the age of Laxmi be y years. 
Also given that her father's age is 4 more than 3 times of Laxmi's age 
So, L.H.S.= 3y+4
L.H.S.=R.H.S.

So, the equation will be 
 3y + 4 = 49


Mathematics
NCERT Textbook
Standard VII

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