191=120-u

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Solution for 191=120-u equation:


Simplifying
191 = 120 + -1u

Solving
191 = 120 + -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 = 120 + -1u + u

Combine like terms: -1u + u = 0
191 + u = 120 + 0
191 + u = 120

Add '-191' to each side of the equation.
191 + -191 + u = 120 + -191

Combine like terms: 191 + -191 = 0
0 + u = 120 + -191
u = 120 + -191

Combine like terms: 120 + -191 = -71
u = -71

Simplifying
u = -71

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