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e+19=-e-13
We move all terms to the left:
e+19-(-e-13)=0
We add all the numbers together, and all the variables
e-(-1e-13)+19=0
We get rid of parentheses
e+1e+13+19=0
We add all the numbers together, and all the variables
2e+32=0
We move all terms containing e to the left, all other terms to the right
2e=-32
e=-32/2
e=-16
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