4.3^1-x+3^2-x=21/3^x

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Solution for 4.3^1-x+3^2-x=21/3^x equation: 



4.3^1-x+3^2-x=21/3^x

We move all terms to the left:

4.3^1-x+3^2-x-(21/3^x)=0



Domain of the equation: 3^x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-2x-(21/3^x)+13.3=0

We get rid of parentheses

-2x-21/3^x+13.3=0

We multiply all the terms by the denominator


-2x*3^x+(13.3)*3^x-21=0

Wy multiply elements

-6x^2+(13.3)*3^x-21=0

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

-6x^2+(13.3)*3^x=21

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