-2=-2(n+1)+-4

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Solution for -2=-2(n+1)+-4 equation: 



-2=-2(n+1)+-4

We move all terms to the left:

-2-(-2(n+1)+-4)=0

We use the square of the difference formula

-(-2(n+1)-4)-2=0



We calculate terms in parentheses: -(-2(n+1)-4), so:

-2(n+1)-4

We multiply parentheses

-2n-2-4

We add all the numbers together, and all the variables

-2n-6

Back to the equation:

-(-2n-6)



We get rid of parentheses

2n+6-2=0

We add all the numbers together, and all the variables

2n+4=0

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

2n=-4

n=-4/2

n=-2

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