Answer:{−17}. In Example 1, we were able to write the left and right sides of the equation with a common base. ... To solve such an equation, we can take a logarithm of the same base on ... Steps to Solve Exponential Equations by Using Logarithms ... of x is a solution to the logarithmic equation. 35. log2(x − 31) = 5 − log2 x a. x = 16.