0.2^x=13.8-21x

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Solution for 0.2^x=13.8-21x equation: 



0.2^x=13.8-21x

We move all terms to the left:

0.2^x-(13.8-21x)=0

We add all the numbers together, and all the variables

0.2^x-(-21x+13.8)=0

We get rid of parentheses

0.2^x+21x-13.8=0

We add all the numbers together, and all the variables

21x+0.2^x-13.8=0

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

21x+0.2^x=13.8

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