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4.1+u/7=13.4
We move all terms to the left:
4.1+u/7-(13.4)=0
We add all the numbers together, and all the variables
u/7-9.3=0
We multiply all the terms by the denominator
u-(9.3)*7=0
We add all the numbers together, and all the variables
u-65.1=0
We move all terms containing u to the left, all other terms to the right
u=65.1
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