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Answer the question: (3^2x)+4 = 31

User Bingo
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2 Answers

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I didn’t think that’s was the answer I did that so wrong someone please teach me the right way
User Cudds
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Step-by-step explanation

Given


3^(2x)+4=31

We can find the value of x below.


\begin{gathered} 3^(2x)+4=31 \\ subtract\text{ 4 from both sides} \\ 3^(2x)-4+4=31-4 \\ 3^(2x)=27 \\ 3^(2x)=3^3 \\ 2x=3 \\ divide\text{ both sides by 2} \\ x=(3)/(2) \\ x=1.5 \end{gathered}

Answer: 1.5

User Giulio Bambini
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