Answer:
4
Explanation:
1/3(6y-9)=-2y+13
6/3y-9/3=-2y+13
2y-3=-2y+13
2y-(-2y)-3=13
2y+2y-3=13
4y-3=13
4y=13+3
4y=16
y=16/4
y=4
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