Respuesta :
					                   Answer: Is the question is like this 
-4 = 6 - (-2f) then the answer is f = -5
If the question is like this - 4= 6 - 2f
Then the answer is f = 5
					                
					             -4 = 6 - (-2f) then the answer is f = -5
If the question is like this - 4= 6 - 2f
Then the answer is f = 5
