15 3/8 :( 2 3/4х + 5 5/6) - 1 1/2 =3/4

153/8 : (23/4х+55/6)=3/4+11/2
153/8: (23/4х+55/6)=25/4
23/4х+55/6=153/8:25/4
23/4х+55/6=153/50
23/4х=153/50-55/6
х=23:(153/50-55/6)
х=23/4