30-u=171

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Solution for 30-u=171 equation: 


Simplifying
30 + -1u = 171

Solving
30 + -1u = 171

Solving for variable 'u'.

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

Add '-30' to each side of the equation.
30 + -30 + -1u = 171 + -30

Combine like terms: 30 + -30 = 0
0 + -1u = 171 + -30
-1u = 171 + -30

Combine like terms: 171 + -30 = 141
-1u = 141

Divide each side by '-1'.
u = -141

Simplifying
u = -141

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