Step-by-step explanation:
all work is shown/pictured
Answer:
<h2>Let's call

the number of dollars Paul owers.</h2>
Notice that the word "minus" refers to a difference.
So, basically, we just need to subtract 18 from the variable as follows

Therefore, the expression which represents the number of dollars Paul owes minus 18 is 
Answer:
wait wat ? its 18
Step-by-step explanation:
so plug in the numbers
4 times 2 - -5 times 2
4x2 = 8
-5x2 = -10
8-(-10) = 18