u+7=12

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Solution for u+7=12 equation: 


Simplifying
u + 7 = 12

Reorder the terms:
7 + u = 12

Solving
7 + u = 12

Solving for variable 'u'.

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

Add '-7' to each side of the equation.
7 + -7 + u = 12 + -7

Combine like terms: 7 + -7 = 0
0 + u = 12 + -7
u = 12 + -7

Combine like terms: 12 + -7 = 5
u = 5

Simplifying
u = 5

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