SOLUTION: Hello...i need help on problem i cant seem to solve.heres my problem A girl is now twice as old as she was nine years ago.how old is she today? Please help me if you can

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Question 1086045: Hello...i need help on problem i cant seem to solve.heres my problem A girl is now twice as old as she was nine years ago.how old is she today? Please help me if you can
Answer by ikleyn(52769) About Me  (Show Source):
You can put this solution on YOUR website!
.
Let "x" be the girl's age.

The condition says

x = 2*(x-9).

====>  x = 2x - 18  ====>  x = 18.

Solved.


There is a bunch of lessons on age word problems in this site:
    - Age problems and their solutions
    - A fresh formulation of a traditional age problem
    - Really intricate age word problem
    - Selected age word problems from the archive


Read them and become an expert in solving age problems.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Age word problems".