7/x-1+4/x=9/x

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Solution for 7/x-1+4/x=9/x equation: 



7/x-1+4/x=9/x

We move all terms to the left:

7/x-1+4/x-(9/x)=0



Domain of the equation: x!=0

x∈R





Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

7/x+4/x-(+9/x)-1=0

We get rid of parentheses

7/x+4/x-9/x-1=0

We multiply all the terms by the denominator


-1*x+7+4-9=0

We add all the numbers together, and all the variables

-1x+2=0

We move all terms containing x to the left, all other terms to the right

-x=-2

x=-2/-1

x=+2

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