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-6u=19.8
We move all terms to the left:
-6u-(19.8)=0
We add all the numbers together, and all the variables
-6u-19.8=0
We move all terms containing u to the left, all other terms to the right
-6u=19.8
u=19.8/-6
u=-3+1/3.3333333333333
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