-20+30e=3(10e-9)+7

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Solution for -20+30e=3(10e-9)+7 equation: 



-20+30e=3(10e-9)+7

We move all terms to the left:

-20+30e-(3(10e-9)+7)=0



We calculate terms in parentheses: -(3(10e-9)+7), so:

3(10e-9)+7

We multiply parentheses

30e-27+7

We add all the numbers together, and all the variables

30e-20

Back to the equation:

-(30e-20)



We get rid of parentheses

30e-30e+20-20=0

We add all the numbers together, and all the variables

=0

e=0/1

e=0

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