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-2/5u=-12
We move all terms to the left:
-2/5u-(-12)=0
Domain of the equation: 5u!=0We add all the numbers together, and all the variables
u!=0/5
u!=0
u∈R
-2/5u+12=0
We multiply all the terms by the denominator
12*5u-2=0
Wy multiply elements
60u-2=0
We move all terms containing u to the left, all other terms to the right
60u=2
u=2/60
u=1/30
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