Решите уравнения

х-7/9х-1/12х=5/36:4

2цел 5/11х-1цел 2/9+3цел 6/11х

1.  x*(1-7/9-1/12)=5/36*1/4x*(36/36-28/36-3/36)=(5*1)/(36*4)x*((36-28-3)/36)=5/144x*(5/36)=5/144x=5/144:5/36x+5/144*36/5x=(5*36)/(144*5)=180/720=1/42.  2целое5/11x+3целое6/11x=1цел2/9x*((2+3)+(5/11+6/11))=11/9x*(5+11/11)=11/96x=11/9x=11/9:6x=(11*1)/(9*6)=11/54