Answer:
Step(iii)
The value of 'f' = 3
Step-by-step explanation:
Step(i):-
Given - 12 = 4(f-6)
Multiply
- 12 = 4 f - 24
Step(ii):-
- 12 = 4 f - 24
Adding '12' on both sides, we get
- 12 + 12 = 4 f - 24 + 12
0 = 4 f - 12
4f - 12 =0
4 f = 12
Step(iii):-
Dividing '4' on both sides, we get
f = 3