C+4-30-2=0
-2c+2=0
-2 -2
C=1
2.8y+6+0.2y=5y-14
Combine like terms
3y+6=5y-14
Subtract 6 from both sides
3y=5y-20
Subtract 5y from both sides
-2y=-20
Divide both sides by -2
Y=10
Answer:

Step-by-step explanation:
Question:
To evaluate
to the base 5
Solution:
We will apply log properties to evaluate.
We will use the following property of logarithms
If 
Then, 
Let 
So, we have

We can write 

∴ 
Thus, we have

The answer is 158.8333333333333