Question

Someone help me please thank you

Answer 1

B

Explanation:

27^x=9^x-3

Make sure the bases are the same

(3^3)^x=(3^2)^x-3

3^3x=3^2x-3

Now equate the exponent

3x=2x-3

Subtract 2x from both sides

x=-3

When you make the bases the same the cancel out or they are ignored