7(2e-3)=3(4e-9)

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Solution for 7(2e-3)=3(4e-9) equation: 



7(2e-3)=3(4e-9)

We move all terms to the left:

7(2e-3)-(3(4e-9))=0

We multiply parentheses

14e-(3(4e-9))-21=0



We calculate terms in parentheses: -(3(4e-9)), so:

3(4e-9)

We multiply parentheses

12e-27

Back to the equation:

-(12e-27)



We get rid of parentheses

14e-12e+27-21=0

We add all the numbers together, and all the variables

2e+6=0

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

2e=-6

e=-6/2

e=-3

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