3(8+e)=21

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Solution for 3(8+e)=21 equation: 



3(8+e)=21

We move all terms to the left:

3(8+e)-(21)=0

We add all the numbers together, and all the variables

3(e+8)-21=0

We multiply parentheses

3e+24-21=0

We add all the numbers together, and all the variables

3e+3=0

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

3e=-3

e=-3/3

e=-1

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