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18.5=e+-7.75
We move all terms to the left:
18.5-(e+-7.75)=0
We add all the numbers together, and all the variables
-(e-7.75)+18.5=0
We get rid of parentheses
-e+7.75+18.5=0
We add all the numbers together, and all the variables
-1e+26.25=0
We move all terms containing e to the left, all other terms to the right
-e=-26.25
e=-26.25/-1
e=26+0.25/1
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