Question 763313
27^(2x + 1) = 3^-1
3^3(2x + 1) = 3^-1   {changed 27 to have a base of 3}
3(2x + 1) = -1   {since bases are equal, set exponents equal to each other}
6x + 3 = -1   {used distributive property}
6x = -4   {subtracted 3 from each side}
x = -2/3   {divided each side by 6 and reduced}
<br>For more help from me, visit: <a href = "http://www.algebrahouse.com/" target = "_blank">www.algebrahouse.com</a><br><br>