u+3=6+6

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Solution for u+3=6+6 equation: 


Simplifying
u + 3 = 6 + 6

Reorder the terms:
3 + u = 6 + 6

Combine like terms: 6 + 6 = 12
3 + u = 12

Solving
3 + u = 12

Solving for variable 'u'.

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

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

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

Combine like terms: 12 + -3 = 9
u = 9

Simplifying
u = 9

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