-15=1-2n-2n

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Solution for -15=1-2n-2n equation: 



-15=1-2n-2n

We move all terms to the left:

-15-(1-2n-2n)=0

We add all the numbers together, and all the variables

-(-4n+1)-15=0

We get rid of parentheses

4n-1-15=0

We add all the numbers together, and all the variables

4n-16=0

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

4n=16

n=16/4

n=4

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