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OpenStudy (anonymous):
log_5 (2x-5) =-4 log_5 (2x-5) =-4 @Mathematics
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OpenStudy (anonymous):
exponentiate both sides by 5to cancel out the log\[5^{\log_{5}(2x-5)}=5^{-4} \] \[2x-5=1/625\]
OpenStudy (anonymous):
\[2x-5+5=1/625+5\]\[2x=3126/625\]\[x=1563/625\]
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