2/r-1+4/r-5=7

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Solution for 2/r-1+4/r-5=7 equation: 



2/r-1+4/r-5=7

We move all terms to the left:

2/r-1+4/r-5-(7)=0



Domain of the equation: r!=0

r∈R



We add all the numbers together, and all the variables

2/r+4/r-13=0

We multiply all the terms by the denominator


-13*r+2+4=0

We add all the numbers together, and all the variables

-13r+6=0

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

-13r=-6

r=-6/-13

r=6/13

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