what should be subtracted from numerator and denominator of a fraction 15 /19 to becomes 5/7
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let the no x
15-x/19-x=5/7
7(15-x)=5(19-x)
105-7x=95-5x
2x=10
x=10/2=5
anwer:5
15-x/19-x=5/7
7(15-x)=5(19-x)
105-7x=95-5x
2x=10
x=10/2=5
anwer:5
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