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(E)=30+2.40E
We move all terms to the left:
(E)-(30+2.40E)=0
We add all the numbers together, and all the variables
E-(2.40E+30)=0
We get rid of parentheses
E-2.40E-30=0
We add all the numbers together, and all the variables
-1.4E-30=0
We move all terms containing E to the left, all other terms to the right
-1.4E=30
E=30/-1.4
E=-21+0.6/1.4
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