Question

What is the solution to the equation 7^3x ≈ 9 ?

Answer 1

`7^(3x)\approx9\\\\\log_77^(3x)\approx\log_79\\\\3x\approx\log_79\ \ \ \ |divide\ both\ sides\ by\ 3\\\\\boxed{x\approx(\log_79)/(3)=(1)/(3)\log_79=\log_79^(1)/(3)=\log_7\sqrt[3]9}`