Решите уоавнение:5)4 1/2:Х+1 3/4=3 19/28

4 1/2÷х=3 19/28-1 3/44 1/2÷х=3 19/28-1 21/284 1/2÷х=2 47/28-1 21/284 1/2÷х=1 26/289/2÷х=1 13/14х=9/2÷1 13/14х=9/2÷27/14х=9/2×14/27х=7/3=2 1/3