Respuesta :

Answer:

f = 8

Step-by-step explanation:

Step 1:

f - ( - 4 ) = 12          Equation

Step 2:

f + 4 = 12           Open Parentheses

Step 3:

f = 12 - 4        Subtract 4 on both sides

Answer:

f = 8

Hope This Helps :)

Answer:

F=8

Step-by-step explanation:

subtracting a negative is just addition.

so f+4=12

next get f by itself by subtracting 4 from each side

f=12-4

f=8