3^x-8=20

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Solution for 3^x-8=20 equation: 



3^x-8=20

We move all terms to the left:

3^x-8-(20)=0

We add all the numbers together, and all the variables

3^x-28=0

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

3^x=28

x=28/1

x=28

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