Answer:
x = 33
Step-by-step explanation:
[tex]2 = log(3x + 1) \\ \\2 = log_{10}(3x + 1) \\ \\ {10}^{2} = 3x + 1 \\ \\ 100 = 3x + 1 \\ \\ 100 - 1 = 3x \\ \\ 99 = 3x \\ \\ x = \frac{99}{3} \\ \\ x = 33[/tex]