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u/4=-47
We move all terms to the left:
u/4-(-47)=0
We add all the numbers together, and all the variables
u/4+47=0
We multiply all the terms by the denominator
u+47*4=0
We add all the numbers together, and all the variables
u+188=0
We move all terms containing u to the left, all other terms to the right
u=-188
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