4=0.3^x

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Solution for 4=0.3^x equation: 



4=0.3^x

We move all terms to the left:

4-(0.3^x)=0

We get rid of parentheses

-0.3^x+4=0

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

-0.3^x=-4

x=-4/1

x=-4

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