31-u=252

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Solution for 31-u=252 equation: 


Simplifying
31 + -1u = 252

Solving
31 + -1u = 252

Solving for variable 'u'.

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

Add '-31' to each side of the equation.
31 + -31 + -1u = 252 + -31

Combine like terms: 31 + -31 = 0
0 + -1u = 252 + -31
-1u = 252 + -31

Combine like terms: 252 + -31 = 221
-1u = 221

Divide each side by '-1'.
u = -221

Simplifying
u = -221

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