You can put this solution on YOUR website! Five times the difference of a number and two is seven more than that number
5(n-2) = n + 7
5n - 10 = n + 7
5n - n = 7 + 10
4n = 17
n = 17/4
n = 4.25
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Check this in the original statement
5(4.25 - 2) = 4.25 + 7
5(2.25) = 11.25