Question

Hey,hey,buna! ma ajutati,va rog...

Answer 1

5a=3b⇒a=$\frac{3b}{5}$



$\frac{3a+b}{2b-a} = \frac{ \frac{9b}{5} +b}{2b- \frac{3b}{5} } = \frac{9b+5b}{10b-3b} = \frac{14b}{7b} = \frac{14}{7} =2$