Answer:
2x - 1
Step-by-step explanation:
Since logarithm has the following property:
If
and
,
Then
and 
Therefore,

y = 3(-x - 2)
Any horizontal transformations or reflections you make to y = x must be within the parentheses.
Answer:
125
Step-by-step explanation:
divide both sides of the equation by 0.8
0.8÷0.8=0.8÷100
any expression divided by 1 is itself
x=100÷0.8
divide the numbers
100÷0.8=125
125 is your answer