81=n-100

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Solution for 81=n-100 equation:


Simplifying
81 = n + -100

Reorder the terms:
81 = -100 + n

Solving
81 = -100 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
81 + -1n = -100 + n + -1n

Combine like terms: n + -1n = 0
81 + -1n = -100 + 0
81 + -1n = -100

Add '-81' to each side of the equation.
81 + -81 + -1n = -100 + -81

Combine like terms: 81 + -81 = 0
0 + -1n = -100 + -81
-1n = -100 + -81

Combine like terms: -100 + -81 = -181
-1n = -181

Divide each side by '-1'.
n = 181

Simplifying
n = 181

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