Question

2\3 a certain number reduced by 11 is equal to 4 more than that number. Find the number (show work)

Answer 1

11 - 2/3n = 4 + n
n + 2/3n = 7
3n^2 + 2 = 21n
3n^2 - 21n + 2 = 0
n = 6.903 , n = 0.09657