7/x=30/15

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Solution for 7/x=30/15 equation: 



7/x=30/15

We move all terms to the left:

7/x-(30/15)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

7/x-2=0

We multiply all the terms by the denominator


-2*x+7=0

We add all the numbers together, and all the variables

-2x+7=0

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

-2x=-7

x=-7/-2

x=3+1/2

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