3=(7+2e)

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Solution for 3=(7+2e) equation: 



3=(7+2e)

We move all terms to the left:

3-((7+2e))=0

We add all the numbers together, and all the variables

-((2e+7))+3=0



We calculate terms in parentheses: -((2e+7)), so:

(2e+7)

We get rid of parentheses

2e+7

Back to the equation:

-(2e+7)



We get rid of parentheses

-2e-7+3=0

We add all the numbers together, and all the variables

-2e-4=0

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

-2e=4

e=4/-2

e=-2

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