None of the provided responses is correct.
To solve the equation, we can combine like terms:
-5 + 7g = 3g + 9
First, subtract 3g from both sides:
-5 + 4g = 9
Next, add 5 to both sides:
4g = 14
Finally, divide both sides by 4:
g = 14/4
Therefore, the value of g is 3.5.