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Mathematics 12 Online
OpenStudy (anonymous):

3^x=27^(x-4)

hero (hero):

\[3^x = 3^{3(x - 4)}\] \[x = 3(x - 4)\]

OpenStudy (anonymous):

I need to know what x would be?

hero (hero):

Solve for x

OpenStudy (anonymous):

book says x=6 but I don't get that, could someone explain indetail

hero (hero):

x = 3(x - 4) x = 3x - 12 12 = 3x - x 12 = 2x 12/2 = x 6 = x

OpenStudy (anonymous):

ok thanks I see it now.

hero (hero):

yw

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