7=-12-e

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Solution for 7=-12-e equation: 



7=-12-e

We move all terms to the left:

7-(-12-e)=0

We add all the numbers together, and all the variables

-(-1e-12)+7=0

We get rid of parentheses

1e+12+7=0

We add all the numbers together, and all the variables

e+19=0

We move all terms containing e to the left, all other terms to the right

e=-19

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