3u=8-u

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Solution for 3u=8-u equation:


Simplifying
3u = 8 + -1u

Solving
3u = 8 + -1u

Solving for variable 'u'.

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

Add 'u' to each side of the equation.
3u + u = 8 + -1u + u

Combine like terms: 3u + u = 4u
4u = 8 + -1u + u

Combine like terms: -1u + u = 0
4u = 8 + 0
4u = 8

Divide each side by '4'.
u = 2

Simplifying
u = 2

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