3^(x+2)+3^(-x)=10

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Solution for 3^(x+2)+3^(-x)=10 equation: 



3^(x+2)+3^(-x)=10

We move all terms to the left:

3^(x+2)+3^(-x)-(10)=0

We add all the numbers together, and all the variables

3^(x+2)+3^(-1x)-10=0

We move all terms containing x to the left, all other terms to the right

3^(x+2)+3^(-1x)=10

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