-80=2/5^x

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Solution for -80=2/5^x equation: 



-80=2/5^x

We move all terms to the left:

-80-(2/5^x)=0



Domain of the equation: 5^x)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

-2/5^x-80=0

We multiply all the terms by the denominator


-80*5^x-2=0

Wy multiply elements

-400x-2=0

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

-400x=2

x=2/-400

x=-1/200

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