SOLUTION: if the sum of a number and six is doubled the result is nine less than the number find the number

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Question 298121: if the sum of a number and six is doubled the result is nine less than the number find the number
Answer by solver91311(24713) About Me  (Show Source):
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Let represent the number. The sum of the number and six: . The sum of the number and six doubled. .
"Is" means equals. Nine less than the number

So,


Solve for

John