28=4/9u

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Solution for 28=4/9u equation:



28=4/9u
We move all terms to the left:
28-(4/9u)=0
Domain of the equation: 9u)!=0
u!=0/1
u!=0
u∈R
We add all the numbers together, and all the variables
-(+4/9u)+28=0
We get rid of parentheses
-4/9u+28=0
We multiply all the terms by the denominator
28*9u-4=0
Wy multiply elements
252u-4=0
We move all terms containing u to the left, all other terms to the right
252u=4
u=4/252
u=1/63

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