(n-2)+(n-1)+n=2010

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Solution for (n-2)+(n-1)+n=2010 equation:


Simplifying
(n + -2) + (n + -1) + n = 2010

Reorder the terms:
(-2 + n) + (n + -1) + n = 2010

Remove parenthesis around (-2 + n)
-2 + n + (n + -1) + n = 2010

Reorder the terms:
-2 + n + (-1 + n) + n = 2010

Remove parenthesis around (-1 + n)
-2 + n + -1 + n + n = 2010

Reorder the terms:
-2 + -1 + n + n + n = 2010

Combine like terms: -2 + -1 = -3
-3 + n + n + n = 2010

Combine like terms: n + n = 2n
-3 + 2n + n = 2010

Combine like terms: 2n + n = 3n
-3 + 3n = 2010

Solving
-3 + 3n = 2010

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + 3n = 2010 + 3

Combine like terms: -3 + 3 = 0
0 + 3n = 2010 + 3
3n = 2010 + 3

Combine like terms: 2010 + 3 = 2013
3n = 2013

Divide each side by '3'.
n = 671

Simplifying
n = 671

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