(n-1)=720

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Solution for (n-1)=720 equation: 


Simplifying
(n + -1) = 720

Reorder the terms:
(-1 + n) = 720

Remove parenthesis around (-1 + n)
-1 + n = 720

Solving
-1 + n = 720

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 + n = 720 + 1

Combine like terms: -1 + 1 = 0
0 + n = 720 + 1
n = 720 + 1

Combine like terms: 720 + 1 = 721
n = 721

Simplifying
n = 721

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