5=0.8^x

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Solution for 5=0.8^x equation: 



5=0.8^x

We move all terms to the left:

5-(0.8^x)=0

We get rid of parentheses

-0.8^x+5=0

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

-0.8^x=-5

x=-5/1

x=-5

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