Answer:
1/2, 11/6
Step-by-step explanation:
y=-4+9y
9y-y=4
8y=4
y=1/2
3x-5=1/2
3x=5+1/2=11/2
x=11/6
t=1.625
13=8t
divide both sides by 8
9.
The highest power is 3*3 = 9, so it's 9.