15-e=2(e-7)-7

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Solution for 15-e=2(e-7)-7 equation: 



15-e=2(e-7)-7

We move all terms to the left:

15-e-(2(e-7)-7)=0

We add all the numbers together, and all the variables

-1e-(2(e-7)-7)+15=0



We calculate terms in parentheses: -(2(e-7)-7), so:

2(e-7)-7

We multiply parentheses

2e-14-7

We add all the numbers together, and all the variables

2e-21

Back to the equation:

-(2e-21)



We get rid of parentheses

-1e-2e+21+15=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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