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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