12-2u=u

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Solution for 12-2u=u equation:


Simplifying
12 + -2u = u

Solving
12 + -2u = 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.
12 + -2u + -1u = u + -1u

Combine like terms: -2u + -1u = -3u
12 + -3u = u + -1u

Combine like terms: u + -1u = 0
12 + -3u = 0

Add '-12' to each side of the equation.
12 + -12 + -3u = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -3u = 0 + -12
-3u = 0 + -12

Combine like terms: 0 + -12 = -12
-3u = -12

Divide each side by '-3'.
u = 4

Simplifying
u = 4

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