77-u=231

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Solution for 77-u=231 equation: 


Simplifying
77 + -1u = 231

Solving
77 + -1u = 231

Solving for variable 'u'.

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

Add '-77' to each side of the equation.
77 + -77 + -1u = 231 + -77

Combine like terms: 77 + -77 = 0
0 + -1u = 231 + -77
-1u = 231 + -77

Combine like terms: 231 + -77 = 154
-1u = 154

Divide each side by '-1'.
u = -154

Simplifying
u = -154

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