−y+5x−12=0
Add 12 to both sides.
5x−y−12+12=0+12
5x−y=12
Add y to both sides.
5x−y+y=12+y
5x=y+12
Divide both sides by 5.
5x/5=y+12/5
X=1/5y+12/5
You would do 10 x 2 and you would get 20
Answer:
5 goes into 18 three times.
Step-by-step explanation:
Yesterday's price of notebook = $3.45
Today's price of notebook = $3.20
We have to determine the percentage decrease in the cost of notebook.
Percentage decrease = (Decrease
Old price) 
So, percentage decrease = 
=
= 7.246%
= 7.25%
Therefore, there is 7.25% of decrease in the cost of the notebook.