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u/2-(-1)=3.3
We move all terms to the left:
u/2-(-1)-(3.3)=0
We add all the numbers together, and all the variables
u/2-2.3=0
We multiply all the terms by the denominator
u-(2.3)*2=0
We add all the numbers together, and all the variables
u-4.6=0
We move all terms containing u to the left, all other terms to the right
u=4.6
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