30+12=e+42

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Solution for 30+12=e+42 equation: 



30+12=e+42

We move all terms to the left:

30+12-(e+42)=0

We add all the numbers together, and all the variables

-(e+42)+42=0

We get rid of parentheses

-e-42+42=0

We add all the numbers together, and all the variables

-e=0

e=0/-1

e=0

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