42/r=6

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Solution for 42/r=6 equation: 



42/r=6

We move all terms to the left:

42/r-(6)=0



Domain of the equation: r!=0

r∈R



We multiply all the terms by the denominator


-6*r+42=0

We add all the numbers together, and all the variables

-6r+42=0

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

-6r=-42

r=-42/-6

r=+7

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