156-u=225

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Solution for 156-u=225 equation: 


Simplifying
156 + -1u = 225

Solving
156 + -1u = 225

Solving for variable 'u'.

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

Add '-156' to each side of the equation.
156 + -156 + -1u = 225 + -156

Combine like terms: 156 + -156 = 0
0 + -1u = 225 + -156
-1u = 225 + -156

Combine like terms: 225 + -156 = 69
-1u = 69

Divide each side by '-1'.
u = -69

Simplifying
u = -69

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