Answer:
28$
Step-by-step explanation:
You subtract 2 from 8 which is 6, you then multiply 6 times 3.50. Then add 7, which you get 28$
So firstly, add px onto both sides of the equation: 
Next, add 2 to both sides of the equation: 
Next, factor out -x on the right side of the equation: 
Next, divide both sides by (8 - p): 
Lastly, multiply both sides by -1 and <u>your answer will be
</u>