7/r+7=5/r+6

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Solution for 7/r+7=5/r+6 equation: 



7/r+7=5/r+6

We move all terms to the left:

7/r+7-(5/r+6)=0



Domain of the equation: r!=0

r∈R





Domain of the equation: r+6)!=0

r∈R



We get rid of parentheses

7/r-5/r-6+7=0

We multiply all the terms by the denominator


-6*r+7*r+7-5=0

We add all the numbers together, and all the variables

r+2=0

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

r=-2

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