u+12=99

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Solution for u+12=99 equation: 


Simplifying
u + 12 = 99

Reorder the terms:
12 + u = 99

Solving
12 + u = 99

Solving for variable 'u'.

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

Add '-12' to each side of the equation.
12 + -12 + u = 99 + -12

Combine like terms: 12 + -12 = 0
0 + u = 99 + -12
u = 99 + -12

Combine like terms: 99 + -12 = 87
u = 87

Simplifying
u = 87

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