3(e-5)=21

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Solution for 3(e-5)=21 equation: 



3(e-5)=21

We move all terms to the left:

3(e-5)-(21)=0

We multiply parentheses

3e-15-21=0

We add all the numbers together, and all the variables

3e-36=0

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

3e=36

e=36/3

e=12

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