u-7.8=5.5

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Solution for u-7.8=5.5 equation: 



u-7.8=5.5

We move all terms to the left:

u-7.8-(5.5)=0

We add all the numbers together, and all the variables

u-13.3=0

We move all terms containing u to the left, all other terms to the right

u=13.3

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