(9х-26,7)/4,7=13,14/14,6

9x-26.7=13.14:14.6*4.7
9x-26.7=0.9*4.7
9x-26.7=4.23
9x=4.23+26.7
9x=30.93
x=30.93:9
x=3093/900
x=1031/300
x=3 целых 131/300