SOLUTION: Solve the equation 2^(7-3x)= 4^-1

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Question 47651: Solve the equation
2^(7-3x)= 4^-1





























Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
2^(7-3x)= 4^-1
Rewrite as follows:
2^(7-3x) = 2^(-2)
Since the bases are equal the exponents must be equal.
7-3x=-2
3x=9
x=3
Cheers,
Stan H.