SOLUTION: Solve for x: {{{4^x+5=12}}}

Question 130663: Solve for x:

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Subtract 5 from both sides

Take the log of both sides

Rewrite the left side using the identity

Divide both sides by

Use the change of base formula to simplify the right side

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