SOLUTION: twice a number plus three times the sum of 2 and the number is thirty one. what is the number/ a number squared is 625. what is that number

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Question 260991: twice a number plus three times the sum of 2 and the number is thirty one. what is the number/
a number squared is 625. what is that number
Answer by Greenfinch(383) About Me  (Show Source):
You can put this solution on YOUR website!
2x +3(x+2) = 31
5x + 6 = 31
5x = 25
x = 5
x^2 = 625 = 5^4
x = 25