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OpenStudy (hopeless):
David is twice as old as his daughter. In 14yr., David's age will be three times what his daughter's age was 6 yrs. ago. How old are they now?
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OpenStudy (anonymous):
David = x, Daughter = y x = 2y x+14 = 3(y-6) = 3y - 18 x = 3y - 32 -x = -2y 0 = y - 32 y = 32 x = 64
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