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What is the solution to the equation 9^(x – 1) = 27 ?
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it cant be 4, i already checked
x = 2.5 x = 0.5 x = –0.5 x = –3.5 has to be one of these 4 choices
it is
rewrite it \[(3^2)^{x - 1} = 3^3\] looking at the powers 2x - 2 = 3 2x = 5 x = 5/2
i got it now, thanks guys!
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