(7-9x)/(2-3x) -(4x-5)/(2-3x) =1[(7-9x) -(4x-5)]/(2-3x) =1(7-9x -4x+5)/(2-3x) =1(12-13x)/(2-3x) =1(12-13x)/(2-3x) -1=0[(12-13x)-(2-3x) ]/(2-3x) =0(12-13x-2+3x)/(2-3x) =0(10-10x)/(2-3x) =010(1-x)/(2-3x)...