n-20=19

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Solution for n-20=19 equation: 


Simplifying
n + -20 = 19

Reorder the terms:
-20 + n = 19

Solving
-20 + n = 19

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 = 19 + 20

Combine like terms: -20 + 20 = 0
0 + n = 19 + 20
n = 19 + 20

Combine like terms: 19 + 20 = 39
n = 39

Simplifying
n = 39

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