3/x+7=12

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Solution for 3/x+7=12 equation: 



3/x+7=12

We move all terms to the left:

3/x+7-(12)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

3/x-5=0

We multiply all the terms by the denominator


-5*x+3=0

We add all the numbers together, and all the variables

-5x+3=0

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

-5x=-3

x=-3/-5

x=3/5

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