4e-9=3(e+4)

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Solution for 4e-9=3(e+4) equation: 



4e-9=3(e+4)

We move all terms to the left:

4e-9-(3(e+4))=0



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

3(e+4)

We multiply parentheses

3e+12

Back to the equation:

-(3e+12)



We get rid of parentheses

4e-3e-12-9=0

We add all the numbers together, and all the variables

e-21=0

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

e=21

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