u+4u=15

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Solution for u+4u=15 equation: 


Simplifying
u + 4u = 15

Combine like terms: u + 4u = 5u
5u = 15

Solving
5u = 15

Solving for variable 'u'.

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

Divide each side by '5'.
u = 3

Simplifying
u = 3

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