40-u=251

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Solution for 40-u=251 equation: 


Simplifying
40 + -1u = 251

Solving
40 + -1u = 251

Solving for variable 'u'.

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

Add '-40' to each side of the equation.
40 + -40 + -1u = 251 + -40

Combine like terms: 40 + -40 = 0
0 + -1u = 251 + -40
-1u = 251 + -40

Combine like terms: 251 + -40 = 211
-1u = 211

Divide each side by '-1'.
u = -211

Simplifying
u = -211

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