48:(3 4/5x-25)=1 1/2
48 : ( 3 4/5x - 25 ) = 1 1/2 3 4/5x - 25 = 48 : ( 3/2 ) 3 4/5x - 25 = 32 3 4/5x = 32 + 25 x = 57 : ( 19/5 ) x = 15