SOLUTION: The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number?

Question 408118: The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number?
Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!
Let x - the number
Then three times a number is , 7 more than the number is
Difference between and twice number () is
Equation

- the number
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