Answer: f = 3
Step-by-step explanation:
3(6 - f) - 4 = 3f - 4
(Distribute the 3 on the left side)
18 - 3f - 4 = 3f - 4
(Combine like terms on the left (18 and -4))
14 - 3f = 3f - 4
(add 3f to both sides)
14 = 6f - 4
(Add 4 to both sides)
18 = 6f
(Divide by 6 on both sides)
3 = f
