u+13=6

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Solution for u+13=6 equation: 


Simplifying
u + 13 = 6

Reorder the terms:
13 + u = 6

Solving
13 + u = 6

Solving for variable 'u'.

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

Add '-13' to each side of the equation.
13 + -13 + u = 6 + -13

Combine like terms: 13 + -13 = 0
0 + u = 6 + -13
u = 6 + -13

Combine like terms: 6 + -13 = -7
u = -7

Simplifying
u = -7

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