u+3.5=8.78

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Solution for u+3.5=8.78 equation: 


Simplifying
u + 3.5 = 8.78

Reorder the terms:
3.5 + u = 8.78

Solving
3.5 + u = 8.78

Solving for variable 'u'.

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

Add '-3.5' to each side of the equation.
3.5 + -3.5 + u = 8.78 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + u = 8.78 + -3.5
u = 8.78 + -3.5

Combine like terms: 8.78 + -3.5 = 5.28
u = 5.28

Simplifying
u = 5.28

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