13u-9u=13

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Solution for 13u-9u=13 equation: 


Simplifying
13u + -9u = 13

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

Solving
4u = 13

Solving for variable 'u'.

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

Divide each side by '4'.
u = 3.25

Simplifying
u = 3.25

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