90+n=80

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Solution for 90+n=80 equation: 


Simplifying
90 + n = 80

Solving
90 + n = 80

Solving for variable 'n'.

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

Add '-90' to each side of the equation.
90 + -90 + n = 80 + -90

Combine like terms: 90 + -90 = 0
0 + n = 80 + -90
n = 80 + -90

Combine like terms: 80 + -90 = -10
n = -10

Simplifying
n = -10

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