0.4^20=0.5^x

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Solution for 0.4^20=0.5^x equation: 



0.4^20=0.5^x

We move all terms to the left:

0.4^20-(0.5^x)=0

We add all the numbers together, and all the variables

-(0.5^x)-8+1.099511627776E=0

We get rid of parentheses

-0.5^x-8+1.099511627776E=0

We add all the numbers together, and all the variables

-0.5^x-5.0112175220371=0

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

-0.5^x=5.0112175220371

x=5.0112175220371/1

x=5.0112175220371

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