40(e+100)=42e

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Solution for 40(e+100)=42e equation: 



40(e+100)=42e

We move all terms to the left:

40(e+100)-(42e)=0

We add all the numbers together, and all the variables

-42e+40(e+100)=0

We multiply parentheses

-42e+40e+4000=0

We add all the numbers together, and all the variables

-2e+4000=0

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

-2e=-4000

e=-4000/-2

e=+2000

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