14/x=42/21

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Solution for 14/x=42/21 equation: 



14/x=42/21

We move all terms to the left:

14/x-(42/21)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

14/x-2=0

We multiply all the terms by the denominator


-2*x+14=0

We add all the numbers together, and all the variables

-2x+14=0

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

-2x=-14

x=-14/-2

x=+7

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