Question

Solve for x
3^x = 243
I know x=5, I just need help finding out how to solve it.

Answer 1

If “3^x=243”, solve for “x”?

243/3 = 81, 243 = 3*81 = 3*9*9 = 3*3*3*3*3 = 3^5
3^x=243
3^x=3^5, since the bases are equal, the exponents must be equal

x = 5