SOLUTION: John is x years old, his sister Mary is 5X-12 years old. If Mary is two times John's age, write an equation in terms of x to find the age of John.
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Question 290047: John is x years old, his sister Mary is 5X-12 years old. If Mary is two times John's age, write an equation in terms of x to find the age of John. Answer by JBarnum(2146) (Show Source):
