Answer:
y=3/8
Step-by-step explanation:
-6y+13+9y=3y+13
3y+13=8y-3-6y+13+9y
3y+13=2y+9y-3+13
3y+13=11y+10
13=11y-3y+10
13=8y+10
8y=13-10
8y=3