SOLUTION: twice the difference between a number and twenty-five is three times the number. Find the number. How do you set up the problem and what is the answer. Thank you

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Question 357117: twice the difference between a number and twenty-five is three times the number. Find the number. How do you set up the problem and what is the answer. Thank you

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

Letting n represent the number, then we preceed to "set up the problem"

by writing as we read.

2(n-25)= 3n

Simplifying and Solving

2n - 50 = 3n

-50= n

checking our answer

2n - 50 = 3n

-100-50 = -150= 3*-50