3u=u+30

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Solution for 3u=u+30 equation: 


Simplifying
3u = u + 30

Reorder the terms:
3u = 30 + u

Solving
3u = 30 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
3u + -1u = 30 + u + -1u

Combine like terms: 3u + -1u = 2u
2u = 30 + u + -1u

Combine like terms: u + -1u = 0
2u = 30 + 0
2u = 30

Divide each side by '2'.
u = 15

Simplifying
u = 15

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