3^x-4=16

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Solution for 3^x-4=16 equation: 



3^x-4=16

We move all terms to the left:

3^x-4-(16)=0

We add all the numbers together, and all the variables

3^x-20=0

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

3^x=20

x=20/1

x=20

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