Question

2/3у-1/3=5/9у; 3/4у-2/3=7/12у;

Answer 1

1)2/3y-5/9y=1/3; 1/9y=1/3; y=1/3:1/9; y=3.
2)3/4y-7/12y=2/3; 1/6y=2/3; y=2/3:1/6; y=4.