SOLUTION: the sum of my age and your age is 20. in five years, twice my age will equal 9 more than your age. find my age and your age..
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Question 682053: the sum of my age and your age is 20. in five years, twice my age will equal 9 more than your age. find my age and your age..
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
let = my age
Let = your age
= my age in 5 yrs
= your age in 5 yrs
given:
(1)
(2)
---------------------------
(1)
Substitute (1) into (2)
(2)
(2)
(2)
(2)
(2)
(2)
and, since
(1)
(1)
(1)
I am 8 and you are 12
check:
(2)
(2)
(2)
(2)
OK
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