Answer:
-15
Step-by-step explanation:
If D = -2, then the equation is
7(-2)-2f+9.
If F = -5, then the equation is
7(-2)-2(-5)+9.
Multiply 7 and -2. = -14
Multiply 2 and -5 = -10
Now, the equation is -14-10+9.
-10 + 9 = -1.
Now we have -14-1, which is -15
