12u-91u=5u

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Solution for 12u-91u=5u equation: 


Simplifying
12u + -91u = 5u

Combine like terms: 12u + -91u = -79u
-79u = 5u

Solving
-79u = 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
-79u + -5u = 5u + -5u

Combine like terms: -79u + -5u = -84u
-84u = 5u + -5u

Combine like terms: 5u + -5u = 0
-84u = 0

Divide each side by '-84'.
u = 0

Simplifying
u = 0

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