Start by dividing both sides by 2 to get 
. Doing the math on the right, keeping in mind that logs have an unwritten base of 10, gives us 
. Rewriting this in exponential form is 
. That means that x = 8. Not negative, only positive.
before leaving to visit Mexico Levant traded 270 american dollars and received 3000 Mexican pesos when he returned from Mexico h
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