7/x-5=15/x+4

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Solution for 7/x-5=15/x+4 equation: 



7/x-5=15/x+4

We move all terms to the left:

7/x-5-(15/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-15/x-4-5=0

We multiply all the terms by the denominator


-4*x-5*x+7-15=0

We add all the numbers together, and all the variables

-9x-8=0

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

-9x=8

x=8/-9

x=-8/9

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