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what is the equation?(one variable only)
The denominator a fraction is four less than thrice its numerator.If seven is added to both numerator and denominator,the fraction become 2/3.What is the fraction?


Sagot :

let x=the numerator and y=denominator
1st equation: y=3x-4
2nd equation: x+7/y+7=2/3
substitute the value of y to the 2nd eq. your x will be equal to 5. and your y will be equal to 11.
your fraction is 5/11.