Решите уравнение: а- 2, 3/4=1,7/9 8-(х+ 1,3/14)=2,10/21

1) а- 2 3/4=1 7/9 а=1 7/9+2 3/4=16/9+11/4=64/36+99/36=163/36=4 19/36 2) 8-(х+1,3/14)=2 10/21 8-х-1 3/14-2 10/21=0 8-х-17/14-52/21=0 8-17/14-52/21=х 8/1-17/14-52/21=(332-51-104)/ 42=177/42=59/14=4 3/14 х=4 3/14