First you distribute the -5 into 4x and -7 and get the equation 15-20x+35=5. Next you combine like terms, 15 and 35 and get 50-20x=5. Next you subtract 50 from 5 to get 20x by itself and get 20x=-45. Finally you divide -45 and 20 and get x=9/4 or 2.25