Question 692278
3^x+2=9^x
3^x+2 = 3^(2x)
{{{3^(2x) - 3^x - 2 = 0}}}
Sub y for 3^x
{{{y^2 - y - 2 = 0}}}
(y-2)*(y+1) = 0
y = 2
3^x = 2
x*log(3) = log(2)
x = log(2)/log(3)
x =~ 0.63093
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Ignore the 3^x = -1 answer