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18/9=4/x
We move all terms to the left:
18/9-(4/x)=0
Domain of the equation: x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(+4/x)+18/9=0
We add all the numbers together, and all the variables
-(+4/x)+2=0
We get rid of parentheses
-4/x+2=0
We multiply all the terms by the denominator
2*x-4=0
We add all the numbers together, and all the variables
2x-4=0
We move all terms containing x to the left, all other terms to the right
2x=4
x=4/2
x=2
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