2.5^x=(0.4)^-x

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Solution for 2.5^x=(0.4)^-x equation: 



2.5^x=(0.4)^-x

We move all terms to the left:

2.5^x-((0.4)^-x)=0



We calculate terms in parentheses: -((0.4)^-x), so:

(0.4)^-x

determiningTheFunctionDomain
-x+(0.4)^

We add all the numbers together, and all the variables

-x

Back to the equation:

-(-x)



We add all the numbers together, and all the variables

2.5^x-(-1x)=0

We get rid of parentheses

2.5^x+1x=0

We add all the numbers together, and all the variables

x+2.5^x=0

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