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3*(n - 5) = 2*n + 11
It can be: 7x-11
Let the unknown number be x: 9x-19 = 7x+11 9x-7x = 11+19 2x = 30 x = 15
-2 (negative 2)11 less than 9:= 9 - 11= -2
5x - 11 = 24 5x = 35 x = 7