Jawabanmu

2014-01-19T11:54:05+07:00
\frac{2}{3}(p-l)>\frac{1}{5}p+2\\
\frac{2}{3}p-\frac{2}{3}l>\frac{1}{5}p+2\\
\frac{2}{3}p-\frac{1}{5}p>2+\frac{2}{3}l\\
\frac{7}{15}p>2+\frac{2}{3}l\\
\frac{7}{15}p>\frac{6+2l}{3}\\
7p>5(6+2l)\\
7p>30+10l\\
p>\frac{30+10l}{7}



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