4.8+u=7.8

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Solution for 4.8+u=7.8 equation: 


Simplifying
4.8 + u = 7.8

Solving
4.8 + u = 7.8

Solving for variable 'u'.

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

Add '-4.8' to each side of the equation.
4.8 + -4.8 + u = 7.8 + -4.8

Combine like terms: 4.8 + -4.8 = 0.0
0.0 + u = 7.8 + -4.8
u = 7.8 + -4.8

Combine like terms: 7.8 + -4.8 = 3
u = 3

Simplifying
u = 3

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