72-u=221

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Solution for 72-u=221 equation:


Simplifying
72 + -1u = 221

Solving
72 + -1u = 221

Solving for variable 'u'.

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

Add '-72' to each side of the equation.
72 + -72 + -1u = 221 + -72

Combine like terms: 72 + -72 = 0
0 + -1u = 221 + -72
-1u = 221 + -72

Combine like terms: 221 + -72 = 149
-1u = 149

Divide each side by '-1'.
u = -149

Simplifying
u = -149

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