13u-9u=8

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Solution for 13u-9u=8 equation: 


Simplifying
13u + -9u = 8

Combine like terms: 13u + -9u = 4u
4u = 8

Solving
4u = 8

Solving for variable 'u'.

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

Divide each side by '4'.
u = 2

Simplifying
u = 2

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