Posted by renee on Wednesday, July 13, 2011 at 11:32am.
Solve the equation. If necessary, round to thousandths.
3^(2x + 1) = 27

algebra 2  renee, Wednesday, July 13, 2011 at 11:33am
my bad supposed to say algebra 2

algebra 21  Reiny, Wednesday, July 13, 2011 at 1:03pm
3^(2x+1) = 3^3
2x+1 = 3
2x=2
x=1

algebra 21  Max, Wednesday, July 13, 2011 at 1:05pm
Substitute (2x + 1) for y.
3^y = 27
y = 3
Backsubstitute.
2x + 1 = 3
x = 1
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