SOLUTION: What is twenty more than three times a number is the same as the sum of that number and twelve?

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Question 389405: What is twenty more than three times a number is the same as the sum of that number and twelve?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,  

I. Assigning the variable       

Let x represent the number

II.Writing as we Read***

 3x + 20 = x + 12

III.solving for x

     2x = -8

      x = -4     



IV. CHECKING Our Answer***

  -12 + 20 = -4 + 12 = 8