Express the following statement as a linear equation in two variables by taking present ages (in years)of father and son as x and y respectively. Age of father 5 years ago was two years more than 7 times the age of his son at that time
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Present age of father = x years,
present age of son = y years.
Five years ago,
Age of father was = (x-5) years
age of son was = (y-5) years
Now, according to the question,
⇒ (x−5) = 7(y - 5) + 2
⇒ x - 5 = 7y - 35 + 2
⇒ x − 7y − 5 + 35 − 2 = 0
⇒ x − 7y + 28= 0
present age of son = y years.
Five years ago,
Age of father was = (x-5) years
age of son was = (y-5) years
Now, according to the question,
⇒ (x−5) = 7(y - 5) + 2
⇒ x - 5 = 7y - 35 + 2
⇒ x − 7y − 5 + 35 − 2 = 0
⇒ x − 7y + 28= 0
nandana0497:
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okkk thnx
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