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9^x/4^x=16/81
We move all terms to the left:
9^x/4^x-(16/81)=0
Domain of the equation: 4^x!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
9^x/4^x-(+16/81)=0
We get rid of parentheses
9^x/4^x-16/81=0
We calculate fractions
729x/324x+(-64x)/324x=0
We multiply all the terms by the denominator
729x+(-64x)=0
We get rid of parentheses
729x-64x=0
We add all the numbers together, and all the variables
665x=0
x=0/665
x=0
Równanie nie ma rozwiązania
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