-2n-7=-2(1-2n)-7n

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Solution for -2n-7=-2(1-2n)-7n equation: 



-2n-7=-2(1-2n)-7n

We move all terms to the left:

-2n-7-(-2(1-2n)-7n)=0

We add all the numbers together, and all the variables

-2n-(-2(-2n+1)-7n)-7=0



We calculate terms in parentheses: -(-2(-2n+1)-7n), so:

-2(-2n+1)-7n

We add all the numbers together, and all the variables

-7n-2(-2n+1)

We multiply parentheses

-7n+4n-2

We add all the numbers together, and all the variables

-3n-2

Back to the equation:

-(-3n-2)



We get rid of parentheses

-2n+3n+2-7=0

We add all the numbers together, and all the variables

n-5=0

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

n=5

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