Question

Which method will solve this equation completely?

16 - 9f=47
○Add 16 to both sides, and then divide both sides by-9.
○Add 16 to both sides, and then multiply both sides by-9.
○Subtract 16 from both sides, and then divide both sides by-9
○Subtract 16 from both sides, and then multiply both sides by-9​

Answer 1

Answer: C

Explanation:

The opposite of add is to subtract. Opposite of multiply is to divide.

Answer 2

Subtract 16 from both sides, and then divide both sides by-9

Explanation:

16 - 9f=47

First subtract 16 from each side

16-16 - 9f=47-16

-9f = 31

Then divide each side by -9

-9f/-9 = 31/-9

f = -31/9