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4.75-e=-3.1
We move all terms to the left:
4.75-e-(-3.1)=0
We add all the numbers together, and all the variables
-1e+7.85=0
We move all terms containing e to the left, all other terms to the right
-e=-7.85
e=-7.85/-1
e=7+0.85/1
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