SOLUTION: if a certain number is dubled and the result is increased by7, the number obtained is 19. What is the original number?
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Question 18189: if a certain number is dubled and the result is increased by7, the number obtained is 19. What is the original number?
Answer by sukusu(21) (Show Source): You can put this solution on YOUR website!
6*2=12
12+7=19
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