81=e-3(-5+4e)

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Solution for 81=e-3(-5+4e) equation: 



81=e-3(-5+4e)

We move all terms to the left:

81-(e-3(-5+4e))=0

We add all the numbers together, and all the variables

-(e-3(4e-5))+81=0



We calculate terms in parentheses: -(e-3(4e-5)), so:

e-3(4e-5)

We multiply parentheses

e-12e+15

We add all the numbers together, and all the variables

-11e+15

Back to the equation:

-(-11e+15)



We get rid of parentheses

11e-15+81=0

We add all the numbers together, and all the variables

11e+66=0

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

11e=-66

e=-66/11

e=-6

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