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Mathematics 20 Online
OpenStudy (lexipoo1998):

Help Please

OpenStudy (lexipoo1998):

|dw:1388512614874:dw|

OpenStudy (agent47):

Hint: use logs.

OpenStudy (anonymous):

HEY texaschic101 CAN U HELP ME WITH MINE PLZ

OpenStudy (lexipoo1998):

I did and i didn't get one of my answer choices. I got 24 which does not work.

OpenStudy (lexipoo1998):

x=-21/2 x=-6 x=-6/5 x=-12

OpenStudy (lexipoo1998):

Those are the choices

OpenStudy (lexipoo1998):

@kc_kennylau

OpenStudy (lexipoo1998):

@Agent47 Can you please show me how to solve?

OpenStudy (lexipoo1998):

Is it -12?

OpenStudy (agent47):

actually this is simpler than logs: \[\huge\sqrt{7}^{6x}=49^{x-6}\]\[\huge7^{6x/2}=7^{2(x-6)}\]

OpenStudy (agent47):

\[3x=2x-12\]\[3x-2x=-12\]\[x=-12\]Yes you are correct.

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