13u-4u=63

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Solution for 13u-4u=63 equation: 


Simplifying
13u + -4u = 63

Combine like terms: 13u + -4u = 9u
9u = 63

Solving
9u = 63

Solving for variable 'u'.

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

Divide each side by '9'.
u = 7

Simplifying
u = 7

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