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 = -21
n = -21

Simplifying
n = -21

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