3=-3+-6/r-4

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Solution for 3=-3+-6/r-4 equation: 



3=-3+-6/r-4

We move all terms to the left:

3-(-3+-6/r-4)=0



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

r∈R



We add all the numbers together, and all the variables

-(-6/r-7)+3=0

We get rid of parentheses

6/r+7+3=0

We multiply all the terms by the denominator


7*r+3*r+6=0

We add all the numbers together, and all the variables

10r+6=0

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

10r=-6

r=-6/10

r=-3/5

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