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-5u/2=-30
We move all terms to the left:
-5u/2-(-30)=0
We add all the numbers together, and all the variables
-5u/2+30=0
We multiply all the terms by the denominator
-5u+30*2=0
We add all the numbers together, and all the variables
-5u+60=0
We move all terms containing u to the left, all other terms to the right
-5u=-60
u=-60/-5
u=+12
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