a man says to his son 7 years ago I was 7 times as old as you were and 3 years hence I shall be 3 times as old as you find their ages
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Ans let the current age of man be.. x
Let the current age of his son be y
7 years ago....
Man=x-7
Son=y-7
Given...
x-7=7(y-7)
x=7y-49+7
x=7y-56
Also 3 years later....
Man=x+3
Son=y+3
...
Given..
x+3=3(y+3)
x=3y+3
Combining the values
7y-56=3y+3
7y-3y=56+3
4y=59
Y=59/4
Similarly find x by putting the value of y
Let the current age of his son be y
7 years ago....
Man=x-7
Son=y-7
Given...
x-7=7(y-7)
x=7y-49+7
x=7y-56
Also 3 years later....
Man=x+3
Son=y+3
...
Given..
x+3=3(y+3)
x=3y+3
Combining the values
7y-56=3y+3
7y-3y=56+3
4y=59
Y=59/4
Similarly find x by putting the value of y
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Its incomplete
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