120-n=80

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Solution for 120-n=80 equation:


Simplifying
120 + -1n = 80

Solving
120 + -1n = 80

Solving for variable 'n'.

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

Add '-120' to each side of the equation.
120 + -120 + -1n = 80 + -120

Combine like terms: 120 + -120 = 0
0 + -1n = 80 + -120
-1n = 80 + -120

Combine like terms: 80 + -120 = -40
-1n = -40

Divide each side by '-1'.
n = 40

Simplifying
n = 40

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