SOLUTION: a number is doubled then increased by nine and the result is 89

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Question 1036486: a number is doubled then increased by nine and the result is 89
Answer by ikleyn(52786) About Me  (Show Source):
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a number is doubled then increased by nine and the result is 89
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2x + 9 = 89.

Solve this equation and find x.

Answer. x = 40.