Question

Determinati fractia $\frac{m}{n}$ , stiind ca este echivalenta cu $\frac{7}{3}$ si 2m - 3n = 10 .

Answer 1

m/n=7/3
3m=7n
m=7k
n=3k
2m-3n=10
7k*2-3k*3=10
14k-9k=10
5k=10
k=2
m=2*7=14
n=2*3=6