SOLUTION: when 10 is subtracted from two times a certain number, the result is twenty-eight is 28. What is the number?

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Question 422452: when 10 is subtracted from two times a certain number, the result is twenty-eight is 28. What is the number?
Answer by Gogonati(855) About Me  (Show Source):
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Answer: If we denote the unknown number with x the equation of our problem is:
2x-10=28 Add 10 to both sides of equation
2x=38 Divide by 2 both sides
x=19
Check: 2X19-10=28
38-10=28
28=28
Number 19 satisfy the equation. Therefore the unknown number is 19.