The question wants me to solve: 3^(x+2) - 4 = 12 So: 3^(x+2) = 8 What do I do next? Any help is appreciated.
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I hope you are familiar with logarithms Anyway: Observe that log(8)/log(3) = x+2 And this is equivalent to: log(8)/log(3)-2 = x
Originally Posted by iluvmathbutitshard The question wants me to solve: 3^(x+2) - 4 = 12 So: 3^(x+2) = 8 What do I do next? Any help is appreciated. Ok....hopefully this helps and you know the log properties This is one way, a little longer... Or going back to the line before my comment.... and both.... and = .5237190143....
Thank you so much. This really helps.
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