9^21=3^x

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Solution for 9^21=3^x equation: 



9^21=3^x

We move all terms to the left:

9^21-(3^x)=0

We add all the numbers together, and all the variables

-3^x+20+1.09418989132E=0

We add all the numbers together, and all the variables

-3^x+22.9743164985=0

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

-3^x=-22.9743164985

x=-22.9743164985/1

x=-22.9743164985

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