87-u=159

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Solution for 87-u=159 equation: 


Simplifying
87 + -1u = 159

Solving
87 + -1u = 159

Solving for variable 'u'.

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

Add '-87' to each side of the equation.
87 + -87 + -1u = 159 + -87

Combine like terms: 87 + -87 = 0
0 + -1u = 159 + -87
-1u = 159 + -87

Combine like terms: 159 + -87 = 72
-1u = 72

Divide each side by '-1'.
u = -72

Simplifying
u = -72

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