Answer:
It is the 3rd one 9/5y+9.
The correct answer is x=11
The answer I got was a=5. Hope this is correct and hope it helped
1/27 = 3^(-3)
3^(3x+6) = 3^(-3)
When bases are the same, all you need to do is set the exponents equal to each other:
3x+6 = -3
3x = -9
x = -3