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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