# Math Help - single logarithm

1. ## single logarithm

I need help making ln2x+3(lnx-lny) a single logarithm

2. Hi bastropgarl,

1) $\log_{a}{\left(b.c\right)}\;=\;log_{a}{b}+log_{a}{ c}$

2) $log_{a}{\left(\frac{x}{y}\right)}\;=\;log_{a}{x}-log_{a}{y}$

3) $x\log_{a}{y}\;=\;\log_{a}{y^x}$

Try to use these rules. If you still can not solve, write again.