2 1/3(y-0,5)=7/9
помогите

7/3(y-0.5)=7/97/3y-7/3*0.5=7/97/3y-7/3*1/2=7/97/3y-7/6=7/918*7/3y-18*7/6=18*7/96*7y-3*7=2*742y-21=1442y=35y=5/6

2 1/3(y-0,5)=7/92 1/3=7/37/9÷7/3=7/9×3/7=21/63=1/31/3+1/2= 5/6