u+7.2=21.9

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Solution for u+7.2=21.9 equation: 


Simplifying
u + 7.2 = 21.9

Reorder the terms:
7.2 + u = 21.9

Solving
7.2 + u = 21.9

Solving for variable 'u'.

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

Add '-7.2' to each side of the equation.
7.2 + -7.2 + u = 21.9 + -7.2

Combine like terms: 7.2 + -7.2 = 0.0
0.0 + u = 21.9 + -7.2
u = 21.9 + -7.2

Combine like terms: 21.9 + -7.2 = 14.7
u = 14.7

Simplifying
u = 14.7

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