The solution of 9x + 54-4x = 68.5 equation Come on, don't read it wrong

The solution of 9x + 54-4x = 68.5 equation Come on, don't read it wrong

9X+54-4X=68.5
9x-4x=68.5-54
5x=14.5
x=14.5÷5
x=2.9