You can put this solution on YOUR website! 1-2/3y=9/5-y/5+3/5
1-2y/3=9/5-y/5+3/5
-2y/3+y/5=9/5+3/5-1
(5*-2y+3y)/15=12/5-5/5
(-10y+3y)/15=7/5
-7y/15=7/5 cross multiply
5*-7y=15*7
-35y=105
y=105/-35
y=-3 answer.
Proof:
1-2*-3/3=9/5-(-3/5)+3/5
1+6/3=9/5+3/5+3/5
1+2=15/5
3=3