(n-1)+n+(n-1)=

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


Simplifying
(n + -1) + n + (n + -1) = 0

Reorder the terms:
(-1 + n) + n + (n + -1) = 0

Remove parenthesis around (-1 + n)
-1 + n + n + (n + -1) = 0

Reorder the terms:
-1 + n + n + (-1 + n) = 0

Remove parenthesis around (-1 + n)
-1 + n + n + -1 + n = 0

Reorder the terms:
-1 + -1 + n + n + n = 0

Combine like terms: -1 + -1 = -2
-2 + n + n + n = 0

Combine like terms: n + n = 2n
-2 + 2n + n = 0

Combine like terms: 2n + n = 3n
-2 + 3n = 0

Solving
-2 + 3n = 0

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '2' to each side of the equation.
-2 + 2 + 3n = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 3n = 0 + 2
3n = 0 + 2

Combine like terms: 0 + 2 = 2
3n = 2

Divide each side by '3'.
n = 0.6666666667

Simplifying
n = 0.6666666667

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