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3/12=x/x+12
We move all terms to the left:
3/12-(x/x+12)=0
Domain of the equation: x+12)!=0We get rid of parentheses
x∈R
-x/x-12+3/12=0
Fractions to decimals
-12+1+3/12=0
We multiply all the terms by the denominator
3-12*12+1*12=0
We add all the numbers together, and all the variables
-129!=0
There is no solution for this equation
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