13u-9u=4

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Solution for 13u-9u=4 equation: 


Simplifying
13u + -9u = 4

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

Solving
4u = 4

Solving for variable 'u'.

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

Divide each side by '4'.
u = 1

Simplifying
u = 1

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