Question

х=2/3х+1
х-2/3=5/6х
2/3у-1/3=5/9у

Answer 1

1.х-2/3х=1   
1/3х=1   
 Х=1:1/3    
 Х=3
2.х-5/6х=2/3
 1/6х=2/3
Х=2/3:1/6
Х=4
 3.2/3у-5/9у=1/3
1/9у=1/3
У=1/3:1/9
У=3