SOLUTION: please help me solve this problem: in thirty years, Roselle will be 8 times as old as she was 12 years ago. how old is she now?

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Question 535519: please help me solve this problem:
in thirty years, Roselle will be 8 times as old as she was 12 years ago. how old is she now?
Answer by boilpoil(127) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be her age now

x+30=8(x-12)
x+30=8x-96
-7x=-126
x=18(years old)