Question

Solve 3x-1=2^x. Explain how you were able to solve.

Answer 1

x = 1 and x = 3

Explanation:

Use trial-and-error.

`\begin{array}{ccc}x&3x-1&2^x\\0&-1&1\\1&2&2\\2&5&4\\3&8&8\\4&11&16\end{array}`

Both sides have the same value at x = 1 and x = 3.