4 years ago George was four times older than his sister.after four years George will be 2 years more than two times the age of his daughter find present age of both graphically
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consider George s age is x years and his sister's age is y years.
from 1st condition,
(x-4)=y-4+4
(x-4)=y____(1)
from 1st condition,
(x-4)=y-4+4
(x-4)=y____(1)
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