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-8.2=u/5+4.3
We move all terms to the left:
-8.2-(u/5+4.3)=0
We get rid of parentheses
-u/5-4.3-8.2=0
We multiply all the terms by the denominator
-u-(4.3)*5-(8.2)*5=0
We add all the numbers together, and all the variables
-1u-62.5=0
We move all terms containing u to the left, all other terms to the right
-u=62.5
u=62.5/-1
u=-62+0.5/1
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