Respuesta :

times both side by 12
48+4x=5x-72
120=x
First you need to find the least common denominator which would be 12 
4+4/12x=5/12x-6
then you need to multiply everything by 12
48+ 4x=5x -72
then subtract 4x
48=x-72
then add 72 
120=x <---- that's your answer