81-u=162

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Solution for 81-u=162 equation: 


Simplifying
81 + -1u = 162

Solving
81 + -1u = 162

Solving for variable 'u'.

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

Add '-81' to each side of the equation.
81 + -81 + -1u = 162 + -81

Combine like terms: 81 + -81 = 0
0 + -1u = 162 + -81
-1u = 162 + -81

Combine like terms: 162 + -81 = 81
-1u = 81

Divide each side by '-1'.
u = -81

Simplifying
u = -81

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