Question

1)2/3у-1/3=5/9у
2)3/4у-2/3=7/12у

Answer 1

2/3у-5/9у=1/3
1/9у=1/3
у=1/3:1/9
у=3

3/4у-7/12у=2/3
1/6у=2/3
у=2/3:1/6
у=4