Convert the logarithmic equation into exponential form. The statement log_10(x + 6) = 2 means x + 6 = 10^2. Now calculate 10^2 = 100, so x + 6 = 100. Subtract 6 from both sides: x = 100 - 6 = 94. Finally, check the domain: x + 6 must be positive, and 94 + 6 = 100 > 0, so the answer is valid.