Answer:
He can paint 2 walls in an hour and it will take him a 1/2 hour to paint one wall.
Step-by-step explanation:
Trust me I know.
To solve this problem, we have to set up an equation. Let the variable x represent the number of books that Dimitrius had before last week.
x - 5 - 3 + 8 = 12
To begin simplifying this equation, lets combine terms on the left side of the equation.
x - 8 + 8 = 12
The -8 and +8 cancel each other out, leaving us with:
x=12
Therefore, Dimitrius had 12 books before last week.
Hope this helps! :)
-9
Step-by-step explanation:
1/5^9=5^1
5^-9=5^1
-9=1
therefore the answer is -9
