SOLUTION: If Angela's age is decreased by 9 and the difference is doubled the result is the same as 7 more than her age. How old is Anglea?
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Question 395769: If Angela's age is decreased by 9 and the difference is doubled the result is the same as 7 more than her age. How old is Anglea? Answer by ewatrrr(24785) (Show Source):
Hi, Posted previously
Let x represent angela's age
Write as we Read***
2[x - (x-9)]= x + 7
solving for x
2(9) = x + 7
18 - 7 = x
x = 11, angela's age
CHECKING our Answer***
2(11-2) = 18 = 11+7