The equation is ............... (it needed to be so many characters long)
390/1.5 = x - y
The vertex for this function would be (-2,-79)
X-7=8
Add 7 to both sides so you can isolate the variable
x=15
This would be 56 - p because 'fewer' indicates subtraction.
Greetings!
Solve for d.

Distribute the Parenthesis.



Reduce.

Add
-2/3 to both sides.

Simplify.


Add
-1/4d to both sides.

Simplify.


Divide both sides by
-1/12.

Simplify.


Reduce.


Hope this helps.
-Benjamin