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OpenStudy (anonymous):
how do you solve 3^(x – 4) = 7^(x + 9)
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OpenStudy (hba):
use the log function
OpenStudy (anonymous):
can you show me how you would set up this problem
OpenStudy (anonymous):
okay \[\ln{3^(x-4)}\]=\[\ln{7^(x+9)}\] ln7*(x+9)=ln3*(x-4)
OpenStudy (anonymous):
so calculate ln3&ln7 by calculator
OpenStudy (anonymous):
r u agree
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