12u+-8u+-u=15

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Solution for 12u+-8u+-u=15 equation: 


Simplifying
12u + -8u + -1u = 15

Combine like terms: 12u + -8u = 4u
4u + -1u = 15

Combine like terms: 4u + -1u = 3u
3u = 15

Solving
3u = 15

Solving for variable 'u'.

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

Divide each side by '3'.
u = 5

Simplifying
u = 5

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