7/x+5=4/x-4

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Solution for 7/x+5=4/x-4 equation: 



7/x+5=4/x-4

We move all terms to the left:

7/x+5-(4/x-4)=0



Domain of the equation: x!=0

x∈R





Domain of the equation: x-4)!=0

x∈R



We get rid of parentheses

7/x-4/x+4+5=0

We multiply all the terms by the denominator


4*x+5*x+7-4=0

We add all the numbers together, and all the variables

9x+3=0

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

9x=-3

x=-3/9

x=-1/3

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