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5.4+u/4=-1.1
We move all terms to the left:
5.4+u/4-(-1.1)=0
We add all the numbers together, and all the variables
u/4+6.5=0
We multiply all the terms by the denominator
u+(6.5)*4=0
We add all the numbers together, and all the variables
u+26=0
We move all terms containing u to the left, all other terms to the right
u=-26
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