n+n-1=57

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Solution for n+n-1=57 equation: 


Simplifying
n + n + -1 = 57

Reorder the terms:
-1 + n + n = 57

Combine like terms: n + n = 2n
-1 + 2n = 57

Solving
-1 + 2n = 57

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 2n = 57 + 1

Combine like terms: -1 + 1 = 0
0 + 2n = 57 + 1
2n = 57 + 1

Combine like terms: 57 + 1 = 58
2n = 58

Divide each side by '2'.
n = 29

Simplifying
n = 29

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