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-3.3+u/7=20.8
We move all terms to the left:
-3.3+u/7-(20.8)=0
We add all the numbers together, and all the variables
u/7-24.1=0
We multiply all the terms by the denominator
u-(24.1)*7=0
We add all the numbers together, and all the variables
u-168.7=0
We move all terms containing u to the left, all other terms to the right
u=168.7
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