SOLUTION: i do not know how to solve equations where there is a negative exponent. im sorry, i didnt know how to make the x negative to show it to you, but it's supposed to be {{{(2^x)+1=6}

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Question 176028: i do not know how to solve equations where there is a negative exponent. im sorry, i didnt know how to make the x negative to show it to you, but it's supposed to be



Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
So the equation is ???


Start with the given equation.


Subtract 1 from both sides.


Combine like terms.


Flip the base of to get


Multiply both sides by .


Divide both sides by 5.


Take the log of both sides.


Pull down the exponent using the identity


Divide both sides by .


Use the change of base formula to simplify the left side.


========================================

Answer:

So the solution is


Note: some books may simplify to get . So the answer (for some books) may be



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