n+20=100

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Solution for n+20=100 equation: 


Simplifying
n + 20 = 100

Reorder the terms:
20 + n = 100

Solving
20 + n = 100

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 = 100 + -20

Combine like terms: 20 + -20 = 0
0 + n = 100 + -20
n = 100 + -20

Combine like terms: 100 + -20 = 80
n = 80

Simplifying
n = 80

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