-u+91=191

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Solution for -u+91=191 equation: 


Simplifying
-1u + 91 = 191

Reorder the terms:
91 + -1u = 191

Solving
91 + -1u = 191

Solving for variable 'u'.

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

Add '-91' to each side of the equation.
91 + -91 + -1u = 191 + -91

Combine like terms: 91 + -91 = 0
0 + -1u = 191 + -91
-1u = 191 + -91

Combine like terms: 191 + -91 = 100
-1u = 100

Divide each side by '-1'.
u = -100

Simplifying
u = -100

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