191=77-u

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Solution for 191=77-u equation:


Simplifying
191 = 77 + -1u

Solving
191 = 77 + -1u

Solving for variable 'u'.

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

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

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

Add '-191' to each side of the equation.
191 + -191 + u = 77 + -191

Combine like terms: 191 + -191 = 0
0 + u = 77 + -191
u = 77 + -191

Combine like terms: 77 + -191 = -114
u = -114

Simplifying
u = -114

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