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4/9*u=2/5
We move all terms to the left:
4/9*u-(2/5)=0
Domain of the equation: 9*u!=0We add all the numbers together, and all the variables
u!=0/1
u!=0
u∈R
4/9*u-(+2/5)=0
We get rid of parentheses
4/9*u-2/5=0
We calculate fractions
There is no solution for this equation
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