Goodmorning everyone, I need your help to figure out how to align to the left an equation with a split command inside. I've alredy read all the post about it but nothing worked. Any other ideas? Thanks Andrea

p(l)=\frac{800}{2000}=0.4, \\ 
p(r)=\frac{1200}{2000}=0.6, \hspace{0.5cm} i(r)=-(\frac{200}{1200})ln(\dfrac{200}{1200})-(\frac{1000}{1200})ln(\frac{1000}{1200})=0.451,\\
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    split is designed for aligned equations but you have no alignment points marked, use &= not = If you want left aligned equations generally use the fleqn option to amsmath – David Carlisle Apr 6 '18 at 11:52
  • also use \ln not ln – David Carlisle Apr 6 '18 at 14:32

In addition to implementing David Carlisle's comments -- provide alignment points, and write \ln rather than ln -- you should also enlarge the parentheses on the right-hand side of the first five equations.

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p(l)&= \frac{800}{2000}=0.4, \\ 
p(r)&= \frac{1200}{2000}=0.6, \\
I&=   0.573-0.4(0.673)-0.6(0.451)=0.0332

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