6(e+15)+3e=21

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Solution for 6(e+15)+3e=21 equation: 



6(e+15)+3e=21

We move all terms to the left:

6(e+15)+3e-(21)=0

We add all the numbers together, and all the variables

3e+6(e+15)-21=0

We multiply parentheses

3e+6e+90-21=0

We add all the numbers together, and all the variables

9e+69=0

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

9e=-69

e=-69/9

e=-7+2/3

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