Question

Solve the following exponential equation 23x+1 = 52x-3. Give an exact answer and an

approximation to 4 decimal places if needed. Show all work.

Answer 1

x = 0.1379

Explanation:

23x + 1 = 52x - 3

-23x -23x

-----------------------

1 = 29x - 3

+3 +3

------------------

4 = 29x

÷29 ÷29

-------------------

x = 0.1379