Aftab tells his daughter seven years ago I was seven times as old as you were then also three years from now I shall be three times as old as you will be.
Solve the pair of linear equation graphically...
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Step-by-step explanation:
present age of daughter is x
7 years ago daughter = x-7
father = 7(x-7)
after 3 years daughter=x+3
father =3 (x+3)
we know that (x-7)7=7x-49+10
by solving the equation
we get x=12
we can substitute in father's equation we get 42
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