7+5e=28+e

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Solution for 7+5e=28+e equation: 



7+5e=28+e

We move all terms to the left:

7+5e-(28+e)=0

We add all the numbers together, and all the variables

5e-(e+28)+7=0

We get rid of parentheses

5e-e-28+7=0

We add all the numbers together, and all the variables

4e-21=0

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

4e=21

e=21/4

e=5+1/4

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