If $3^{x+1}-3^{x}=486$, then find the value of x.

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$3^{x+1}-3^{x}=486$ ആയാൽ x ന്റെ വില കണ്ടെത്തുക

Answer:

$3^{x+1}-3^x=486$
$3^x(3-1)=486$

$a^{(x+y)}=a^x\times{a^y}$
$3^x\times2=486$
$3^x=486/2$
$3^x=243$
$3^x=3^5$
$x=5$

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