n-20=-1

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Solution for n-20=-1 equation: 


Simplifying
n + -20 = -1

Reorder the terms:
-20 + n = -1

Solving
-20 + n = -1

Solving for variable 'n'.

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

Add '20' to each side of the equation.
-20 + 20 + n = -1 + 20

Combine like terms: -20 + 20 = 0
0 + n = -1 + 20
n = -1 + 20

Combine like terms: -1 + 20 = 19
n = 19

Simplifying
n = 19

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