SOLUTION: Miyuki, 42 years old has a daughter, Megumi, 12 years old. How many years will Miyuki be twice as old as her daughter?

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Question 811954: Miyuki, 42 years old has a daughter, Megumi, 12 years old. How many years will Miyuki be twice as old as her daughter?
Answer by Stitch(470) About Me  (Show Source):
You can put this solution on YOUR website!
42+%2B+X+=+2%2A%28X+%2B+12%29
Multiply the 2 through.
42+%2B+X+=+2X+%2B+24
Subtract X from both sides.
42+=+X+%2B+24
Subtract 24 from both sides.
highlight%2818+=+X%29
In 18 years Miyuki will be twice as old as her daughter.